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In linguistics, the grammatical aspect (sometimes called viewpoint aspect) of a verb defines the temporal flow (or lack thereof) in the described event or state. In English, for example, the present tense sentences "I swim" and "I am swimming" differ in aspect (the first sentence is in what is called the habitual aspect, and the second is in what is called the progressive, or continuous, aspect). The related concept of tense or the temporal situation indicated by an utterance, is typically distinguished from aspect.

Aspect, as discussed here, is a formal property of a language. Some languages distinguish different aspects through overt inflections or words that serve as aspect marker, while others have no overt marking of aspect. For example, the K'iche' language spoken in Guatemala has the inflectional prefixes k- and x- to mark incompletive and completive aspect; Mandarin Chinese has the aspect markers -le, -zhe, and -guo to mark the perfective, durative, and experiential aspects, and also marks aspect with adverbs; and English marks the continuous aspect through the verb to be coupled with present participle and for the perfect aspect through the verb to have coupled with past participle. Even languages that do not mark aspect morphologically or through auxiliary verbs, however, can convey such distinctions by the use of adverbs, phrases or other means.

Grammatical aspect is distinguished from lexical aspect or aktionsart, which is an inherent feature of verbs or verb phrases and is determined by the nature of the event that the verb describes, whereas grammatical aspect is more often determined by inflectional morphology, aspect markers, or adverbs and other syntactic constructions.

Grammatical aspect may have been first dealt with in the work of the Indian linguist Yaska (ca. 7th century BCE), who distinguishes actions that are processes (bhāva), from those where the action is considered as a completed whole (mūrta). This is of course the key distinction between the imperfective and perfective. Yaska also applies this distinction between a verb and an action nominal.

Common aspectual distinctions

The most fundamental aspectual distinction, represented in many languages, is between perfective aspect and imperfective aspect. This is the basic aspectual distinction in the Slavic languages. It semantically corresponds to the distinction between the tenses known respectively as the aorist and imperfect in Greek, the preterite and imperfect in Spanish, the simple past (passé simple) and imperfect in French, and the perfect and imperfect in Latin (from the Latin "perfectus", meaning "completed"). Essentially, the perfective aspect looks at an event as a completed action, while the imperfective aspect views an event as the process of unfolding or a repeated or habitual event (thus corresponding to the progressive/continuos aspect for events of short-term duration and to habitual aspect for longer terms). For events of short durations in the past, the distinction often coincides with the distinction in the English language between the simple past "X-ed," as compared to the progressive "was X-ing" (compare "I wrote the letters this morning" (i.e. finished writing the letters: an action completed) and "I was writing letters this morning"). In describing longer time periods, English needs context to maintain the distinction between the habitual ("I called him often in the past" - a habit that has no point of completion) and perfective ("I called him once" - an action completed), although the construct "used to" is a marker for both habitual aspect and past tense and can be used if the aspectual distinction otherwise is not clear. Sometimes, English has a lexical distinction where other languages may use the distinction in grammatical aspect. For example, the English verbs "to know" (the state of knowing) and "to find out" (knowing viewed as a "completed action") correspond to the imperfect and perfect aspects of the French verb "savoir".

Aspect vs. tense

Aspect is a somewhat difficult concept to grasp for the speakers of most modern Germanic languages, because they tend to conflate the concept of aspect with the concept of tense. Although English largely separates tense and aspect formally, its aspects (neutral, progressive, perfect and progressive perfect) do not correspond very closely to the distinction of perfective vs. imperfective that is common in most other languages. Furthermore, the separation of tense and aspect in English is not maintained rigidly. One instance of this is the alternation, in some forms of English, between sentences such as "Have you eaten yet?" and "Did you eat yet?". Another is in the past perfect ("I had eaten"), which sometimes represents the combination of past tense and perfect aspect ("I was full because I had already eaten"), but sometimes simply represents a past action which is anterior to another past action ("A little while after I had eaten, my friend arrived"). (The latter situation is often represented in other languages by a simple perfective tense. Formal Spanish and French use a past anterior tense in cases such as this.)

In most dialects of Ancient Greek, aspect is indicated uniquely by tense. For example, the very frequently used aorist tense, though a functional preterite tense in the indicative mood, conveys historic or 'immediate' aspect in the subjunctive and optative. The perfect tense in all moods is used solely as an aspect marker and not, ironically, as a tense, conveying the sense of a resultant state. E.g. - I see (present); - I saw (aorist); - I am in a state of having seen = I know (perfect).

Many Sino-Tibetan languages, like Mandarin, lack grammatical tense but are rich in aspect.

Lexical vs. grammatical aspect

It is extremely important to distinguish between grammatical aspect, as described here, and lexical aspect. Lexical aspect is an inherent property of a verb or verb-complement phrase, and is not marked formally in most languages. The distinctions made as part of lexical aspect are different from those of grammatical aspect, usually relating to situation aspect rather than viewpoint aspect. Typical distinctions are between states ("I owned"), activities ("I shopped"), accomplishments ("I painted a picture"), achievements ("I bought"), and punctual, or semelfactive, events ("I sneezed"). These distinctions are often relevant syntactically. For example, states and activities, but not usually achievements, can be used with a prepositional for-phrase describing a time duration: "I had a car for five hours", "I shopped for five hours", but not "*I bought a car for five hours". Lexical aspect is sometimes called Aktionsart, especially by German and Slavic linguists. Lexical or situation aspect is marked in Athabaskan languages.

One of the factors in situation aspect is telicity. Telicity might be considered a kind of lexical aspect, except that it is typically not a property of a verb in isolation, but rather a property of an entire verb phrase. Achievements and accomplishments have telic situation aspect, while states, activities and semelfactives have atelic situation aspect.

The other factor in situation aspect is duration, which is also a property of a verb phrase. Accomplishments, states, and activities have duration, while achievements and semelfactives do not.

Usage of aspects

In some languages, aspect and time are very clearly separated, making them much more distinct to their speakers. There are a number of languages that mark aspect much more saliently than time. Prominent in this category are Chinese and American Sign Language, which both differentiate many aspects but rely exclusively on optional time-indicating terms to pinpoint an action with respect to time. In other language groups, for example in most modern Indo-European languages (except Slavic languages), aspect has become almost entirely conflated, in the tense system, with time.

In Russian, aspect is more salient than tense in narrative. Russian, like other Slavic languages, uses different lexical entries for the different aspects, whereas other languages mark them morphologically, and still others with auxiliaries (e.g., English).

In literary Arabic (الفصحى, al-Fusha) the verb has two aspect-tenses: perfective (past), and imperfective (non-past). There is some disagreement among grammarians whether to view the distinction as a distinction in aspect, or tense, or both. The "Past Verb" (فعل ماضي, fi'l maadiy) denotes an event (حدث, hadath) completed in the past, but says nothing about the relation of this past event to present status. For example, "وصل", wasala, "he arrived", indicates that arrival occurred in the past without saying anything about the present status of the arriver - maybe he stuck around, maybe he turned around and left, etc. - nor about the aspect of the past event except insofar as completeness can be considered aspectual. This "Past Verb" is clearly similar if not identical to the Greek Aorist, which is considered a tense but is more of an aspect marker. In the Arabic, aorist aspect is the logical consequence of past tense. By contrast, the "Verb of Similarity" (فعل المضارعة, fi'l al-mudaara'ah), so called because of its resemblance to the active participial noun, is considered to denote an event in the present or future without committing to a specific aspectual sense beyond the incompleteness implied by the tense: يضرب "yadribu", he strikes/is striking/will strike/etc. Those are the only two "tenses" in Arabic (not counting "أمر"، "amr", command, which the tradition counts as denoting future events.) At least that's the way the tradition sees it. To explicitly mark aspect, Arabic uses a variety of lexical and syntactic devices.

Contemporary Arabic dialects are another matter. One major change from al-Fusha is the use of a prefix particle (ب "bi" in most dialects) to explicitly mark progressive, continuous, or habitual aspect: بيكتب, bi-yiktib, he is now writing, writes all the time, etc.

Aspect can mark the stage of an action. The prospective aspect identifies that the action is soon to take place. The inceptive aspect identifies the beginning stage of an action (e.g. Esperanto uses ek-, e.g. Mi ekmanĝas, "I am beginning to eat.") and inchoative and ingressive aspects identify a change of state (The flowers started blooming) or the start of an action (He started running). Aspects of stage continue through progressive, pausative, resumptive, cessive, and terminative.

Important qualifications:

  • Although the perfective is often thought of as representing a "momentary action", this is not strictly correct. It can equally well be used for an action that took time, as long as it is conceived of as a unit, with a clearly defined start and end, such as "Last summer I visited France".
  • Grammatical aspect represents a formal distinction encoded in the grammar of a language. Although languages that are described as having imperfective and perfective aspects will agree in most cases in their usage of these aspects, no two languages will agree in every situation. For example:
    • Some languages have additional grammatical aspects. Spanish and Ancient Greek, for example, have a perfect aspect (not the same as the perfective), which refers to a state resulting from a previous action (also described as a previous action with relevance to a particular time, or a previous action viewed from the perspective of a later time). This corresponds (roughly) to the "have X-ed" construction in English, as in "I have recently eaten". Languages that lack this aspect (such as Portuguese, which is closely related to Spanish) often use the past perfective to render the present perfect (compare the roughly synonymous English sentences "Have you eaten yet?" and "Did you eat yet?").
    • In some languages, the formal representation of aspect is optional, and can be omitted when the aspect is clear from context or does not need to be emphasized. This is the case, for example, in Mandarin Chinese, with the perfective suffix le and (especially) the imperfective zhe.
    • For some verbs in some languages, the difference between perfective and imperfective conveys an additional meaning difference; in such cases, the two aspects will typically be translated using separate verbs in English. In Greek, for example, the imperfective sometimes adds the notion of "try to do something" (the so-called conative imperfect); hence the same verb, in the imperfective (present or imperfect tense) and aorist, respectively, is used to convey look and see, search and find, listen and hear. (For example, ηκουομεν ēkouomen "we listened" vs. ηκουσαμεν ēkousamen "we heard".) Spanish has similar pairs for certain verbs, such as (imperfect and preterite, respectively) sabía "I knew" vs. supe "I found out", podía "I was able to" vs. pude "I succeeded (in doing something)", quería "I wanted to" vs. quise "I tried to", no quería "I did not want to" vs. no quise "I refused (to do something)". Such differences are often highly language-specific.

Aspect by language


According to one prevalent account, the English tense system has only two basic tenses, present and past. No primitive future tense exists in English; the futurity of an event is expressed through the use of the auxiliary verbs "will" and "shall", by use of a present form, as in "tomorrow we go to Newark", or by some other means. Present and past, in contrast, can be expressed using direct modifications of the verb, which may be modified further by the progressive aspect (also called the continuous aspect), the perfect aspect, or both. These two aspects are also referred to as BE + ING and HAVE +EN, respectively. Although a little unwieldy, such tags allow us to avoid the suggestion that uses of the aspect BE + ING always have a "progressive" or "continuous" meaning, which they do not. Each tense, in turn, is named according to its combination of aspect and time (past, present, or future).

For the present tense:

For the past tense:
  • Past Simple (not progressive/continuous, not perfect; simple): "I ate"
  • Past Progressive (progressive, not perfect): "I was eating"
  • Past Perfect (not progressive, perfect): "I had eaten"
  • Past Perfect Progressive (progressive, perfect): "I had been eating"

(Note that, while many elementary discussions of English grammar would classify the Present Perfect as a past tense, from the standpoint of strict linguistics – and that elucidated here – it is clearly a form of the present, as we cannot say of someone now deceased that he "has eaten" or "has been eating"; the present auxiliary implies that he is in some way present (alive), even if the action denoted is completed (perfect) or partially completed (progressive perfect).)

The uses of these two aspects are quite complex. They may refer to the viewpoint of the speaker:

I was walking down the road when I met Michael Jackson's lawyer. (Speaker viewpoint in middle of action)
I have travelled widely, but I have never been to Moscow. (Speaker viewpoint at end of action)

But they can have other meanings:

You are being stupid now. (You are doing it deliberately)
You are not having chocolate with your sausages! (I forbid it)
I am having lunch with Mike tomorrow. (It is decided)

Another aspect that does survive in English, but that is no longer productive, is the frequentative, which conveys the sense of continuously repeated action; while prominent in Latin, it is omitted from most discussions of English grammar, as it suggests itself only by Scandinavian suffixes no longer heard independently from the words to which they are affixed (e.g., "blabber" for "blab", "chatter" for "chat", "dribble" for "drip", "crackle" for "crack", etc.).

Note that the aspectual systems of certain dialects of English, such as Hawaiian Creole English and African-American Vernacular English, are quite different from standard English, and often distinguish aspect at the expense of tense.

Slavic languages

In Slavic languages there is only one nearly universal type of aspectual opposition which forms two grammatical aspects: perfective and imperfective (in contrast with English which has two aspectual oppositions: perfect vs. neutral and progressive vs. nonprogressive). The aspectual distinctions exist on the lexical level - there is no unique method to form a perfective verb from a given imperfective one (or conversely). Perfective verbs may be formed by means of prefixes, changes in the root, or using a completely different root (suppletion). Note, however, that possessing a prefix does not necessarily mean that a verb is perfective.

With a few exceptions each Slavic verb is either perfective or imperfective. Most verbs form strict pairs of one perfective and one imperfective verb with generally the same meaning. However, each Slavic language contains a number of verbs which are bi-aspectual and act as both imperfective and perfective. They are mainly borrowings from non-Slavic languages, but some native verbs also belong to this group. As opposed to them, mono-aspectual verbs are mainly native. There are mono-aspectual imperfective verbs without perfective equivalents (among others, verbs with the meaning 'to be' and 'to have') as well as perfective verbs without imperfective equivalents (for instance, verbs with the meaning 'become ...', e.g. 'to become paralyzed', etc.).

The perfective aspect allows the speaker to describe the action as finished, completed, finished in the natural way. The imperfective aspect does not present the action as finished, but rather as pending or ongoing.

An example is the verb 'to eat' in the Serbo-Croatian language. The verb translates either as jesti (imperfective) or pojesti (perfective). Now, both aspects could be used in the same tense of Serbian. For example (omitting, for simplicity, feminine forms like jela):

Example Tense Aspect
Ja sam jeo/ Ja сaм јеo past imperfective
Ja sam pojeo/ Ja сaм појеo perfective
Ja sam bio jeo/ Ja сaм био jeo pluperfect imperfective
Ja sam bio pojeo/ Ja сaм био појеo perfective
Ja ću jesti/ Ja ћy jecти future imperfective
Ja ću pojesti/ Ja ћy пojecти perfective

Ja sam pojeo signals that the action was completed. Its meaning can be given as "I ate (something) and I finished eating (it)"; or "I ate (something) up".

Ja sam jeo signals that the action took place (at a specified moment, or in the course of one's life, or every day, etc.); it may mean "I was eating", "I ate" or "I have been eating".

The following examples are from Polish.

Imperfective verbs mean:
  • actions in progress, just ongoing states and activities, with significant course (in opinion of the speaker);
  • activities posing the background for other (perfective) activities, ex. czytałem książkę, gdy zadzwonił telefon 'I was reading the book when the telephone rang';
  • simultaneous activities, ex. będę czytać książkę, podczas gdy brat będzie pisać list 'I will be reading the book while brother will be writing the letter';
  • durative activities, lasting through some time, e.g. krzyczał 'he was shouting', będzie drgać 'it will be vibrating';
  • motions without a strict aim, ex. chodzę 'I am walking here and there';
  • multiple (iterative) activities, ex. dopisywać 'to insert many times to the text', będziemy wychodziły 'we will go out (many times)';
  • non-resultative activities, only heading towards some purpose: będę pisał list 'I will be writing the letter';
  • continuous states, ex. będę stać 'I will be standing'.

Perfective verbs mean past or future, but not present activities – an activity which is happening now cannot be ended, so it cannot be perfective. Perfective verbs mean:
  • states and activities which were ended (even if a second ago) or which will be ended, with insignificant course, short or treated as a whole by the speaker, ex. krzyknął 'he shouted', drgnie 'it will stir';
  • single-time activities, ex. dopisać 'to insert to the text', wyszedł 'he has gone out';
  • actions whose goals have already been achieved, even if with difficulty, ex. przeczytałem 'I have read', doczytała się 'she finished reading and found what she had sought';
  • reasons for the state, ex. pokochała 'she came to love', zrozumiesz 'you (sg.) will understand', poznamy 'we will get to know';
  • the beginning of the activity or the state, ex. wstanę 'I will stand up' (and I will stand), zaczerwienił się 'he reddened';
  • the end of the activity or the state, ex. dośpiewaj 'sing until the end';
  • activities executed in many places, on many objects or by many subjects at the same time, ex. powynosił 'he carried out (many things)', popękają 'they will break out in many places', poucinać 'to cut off many items';
  • actions or states which last some time, ex. postoję 'I will stand for a little time', pobył 'he was (there) for some time'.

Most simple Polish verbs are imperfective (the same in other Slavic languages), ex. iść 'to walk, to go', nieść 'to carry', pisać 'to write'. But there are also few simple perfective verbs, ex. dać 'to give', siąść 'to sit down'. There exist many perfective verbs with suffixes and without prefixes, ex. krzyknąć 'to shout', kupić 'to buy' (cf. the imperfective kupować with a different suffix).

Numerous perfective verbs are formed from simple imperfectives by prefixation. To create the perfective counterpart, verbs use various prefix without any clear rules. The actual prefix can even depend on a dialect or special meaning, ex. the perfective counterpart to malować is pomalować when it means 'to paint a wall; to fill with a color', or namalować when it means 'to paint a picture; to depict sth/sb'.

Besides the strict perfective equivalent, a number of other prefixed verbs may be formed from a given simple imperfective verb. They all have similar but distinct meaning. And they form, as a rule, their own imperfective equivalents by means of suffixation (attaching suffixes) or stem alternation. Example:
  • prać 'to wash / clean clothes with water and soap / washing powder' is a simple imperfective verb;
  • uprać is its perfective counterpart while doprać, przeprać, oprać are other derived perfective verbs with a little different meanings;
  • dopierać, przepierać, opierać are secondary imperfective verbs which are counterparts for doprać, przeprać, oprać respectively; *upierać does not exist because the basic verb prać is the imperfective counterpart of uprać.

There is a number of verbs which form their aspectual counterparts by simultaneous prefixation and suffixation or by suppletion, ex. (the first one is imperfective) stawiać - postawić 'to set up', brać - wziąć 'to take', widzieć - zobaczyć 'to see'.

Special imperfective verbs are those which express aimless motions. They are mono-aspectual, i.e. they have no perfective equivalents. They are formed from other imperfective verbs by stem alternations or suppletion, ex. nosić 'to carry around' (from nieść), chodzić 'to walk around, to go around' (from iść 'to go, to walk'). However, when such a verb gets an aim anyway, it becomes iterative: chodzić do szkoły 'to go to school'.

Other iteratives build another group of mono-aspectual imperfective verbs. They are formed from other imperfective verbs, including the previous group: chadzać 'to walk around usually (from chodzić), jadać 'to eat usually' (from jeść 'to eat'). Both groups are not too numerous: most Polish verbs cannot form iterative counterparts.

Perfective verbs which express activities executed in many places, on many objects or by many subjects at the same time, and those which express actions or states which last some time, have no imperfective counterparts. They are formed with the prefix po- (which can have other functions as well).

States and activities which last for some time can be expressed by means of both imperfective and perfective verbs: cały dzień leżał w łóżku 'he was in bed all day long' (literally: 'he lay in bed') means nearly the same as cały dzień przeleżał w łóżku. The difference is mainly stylistic: imperfective is neutral here, while using perfective causes stronger tone of the statement.

Aspect in Slavic is a superior category in relation to tense or mood. Particularly, some verbal forms (like infinitive) cannot distinguish tense but they still distinguish aspect. Here is the list of Polish verb forms which can be formed by both imperfective and perfective verbs (such a list is similar in other Slavic languages). The example is an imperfective and a perfective Polish verb with the meaning 'to write'. All personal forms are given in third person, masculine singular:
  • infinitive: pisać - napisać;
  • passive participle: pisany - napisany;
  • gerund: pisanie - napisanie;
  • past impersonal form: pisano - napisano;
  • past impersonal form in subjunctive: pisano by - napisano by;
  • past tense: pisał - napisał;
  • future tense: będzie pisać / będzie pisał - napisze;
  • conditional, first form: pisałby - napisałby;
  • conditional, second form: byłby pisał - byłby napisał;
  • imperative: pisz - napisz.

The following may be formed only if the verb is imperfective:
  • contemporary adverbial participle – pisząc;
  • active participle – piszący;
  • present tense – pisze.

One form may be created only if the verb is perfective, namely:
  • anterior adverbial participle – napisawszy.

Finnic languages

Finnish and Estonian, among others, have a grammatical aspect contrast of telicity between telic and atelic. Telic sentences signal that the intended goal of an action is achieved. Atelic sentences do not signal whether any such goal has been achieved. The aspect is indicated by the case of the object: accusative is telic and partitive is atelic. For example, the (implicit) purpose of shooting is to kill, such that:
  • Ammuin karhun -- "I shot the bear (succeeded; it is done)"; i.e., "I shot the bear dead".
  • Ammuin karhua -- "I shot at the bear"; i.e., "I shot the bear (and I am not telling if it died)".
Sometimes, corresponding telic and atelic forms have as little to do with each other semantically as "take" has with "take off". For example, naida means "to marry" when telic, but "to have sex with" when atelic.

Also, derivational suffixes exist for various aspects. Examples:
  • -ahta- "do suddenly by itself" as in ammahtaa "to shoot up" from ampua "to shoot"
  • -ele- "repeatedly" as in ammuskella "to go shooting around"

There are derivational suffixes for verbs, which carry frequentative, momentane, causative, and inchoative aspect meanings; also, pairs of verbs differing only in transitivity exist.

Romance languages

Most modern Romance languages merge the concept of aspect and tense, but consistently distinguish perfective and imperfective aspects in past and future tenses. This is a direct derivation of the way the Latin language used to render both aspects and consecutio temporum.

Italian language example(verb mangiare, to eat)

Mood: indicativo (indicative)

  • Presente (present): io mangio ("I eat", "I'm eating") - merges habitual and continuous aspects, among others
  • Passato prossimo (recent past): io ho mangiato ("I ate", "I have eaten") - merges perfective and perfect aspects

  • Imperfetto (imperfect): io mangiavo ("I was eating", or "I usually ate") - merges habitual and progressive aspects
  • Trapassato prossimo (recent pluperfect): io avevo mangiato ("I had eaten") - tense, not ordinarily marked for aspect

  • Passato remoto (far past): io mangiai (I "ate") - perfective aspect
  • Trapassato remoto (far pluperfect): io ebbi mangiato ("I had eaten") - tense

  • Futuro semplice (simple future): io mangerò ("I shall eat") - imperfective aspect
  • Futuro anteriore (future perfect): io avrò mangiato ("I shall have eaten") - perfective aspect

The difference between the imperfetto/trapassato prossimo and the passato remoto/trapassato remoto is that imperfetto renders an imperfective (continuous) past; passato remoto renders an aorist (punctual/historical) past.

Other aspects in Italian are rendered with other periphrases, like prospective (io sto per mangiare "I'm about to eat", io starò per mangiare "I shall be about to eat"), or continuous/progressive (io sto mangiando "I'm eating", io starò mangiando "I shall be eating").

American Sign Languages

American Sign Language (ASL) is similar to many other sign languages in that it has no grammatical tense but many verbal aspects produced by modifying the base verb sign.

An example is illustrated with the verb TELL. The basic form of this sign is produced with the initial posture of the index finger on the chin, followed by a movement of the hand and finger tip toward the indirect object (the recipient of the telling). Inflected into the unrealized inceptive aspect ('to be just about to tell'), the sign begins with the hand moving from in front of the trunk in an arc to the initial posture of the base sign (i.e. index finger touching the chin) while inhaling through the mouth, dropping of the jaw, directing eye gaze toward the verb's object. The posture is then held rather than moved toward the indirect object. During the hold, the signer also stops the breath by closing the glottis. Other verbs (such as 'look at', 'wash the dishes', 'yell', 'flirt') are inflected into the unrealized inceptive aspect similarly: the hands used in the base sign move in an arc from in front of the trunk to the initial posture of the underlying verb sign while inhaling, dropping the jaw, and directing eye gaze toward the verb's object (if any), but subsequent movements and postures are dropped as the posture and breath are held.

Other aspects in ASL include the following: stative, inchoative ("to begin to..."), predisposional ("to prone to..."), susceptative ("to... easily"), frequentative ("to... often"), protractive ("to... continuously"), incessant ("to... incessantly"), durative ("to... for a long time"), iterative ("to... over and over again"), intensive ("to... very much"), resultative ("to... completely"), approximative ("to... somewhat"), semblitive ("to appear to..."), increasing ("to... more and more"). Some aspects combine with others to create yet finer distinctions.

Aspect is unusual in ASL in that transitive verbs derived for aspect lose their grammatical transitivity. They remain semantically transitive, typically assuming an object made prominent using a topic marker or mentioned in a previous sentence. See Syntax in ASL for details.

Perfective vs. perfect

The terms perfective and perfect are used in an unfortunate and highly confusing fashion in different writings about linguistics. Traditional Greek grammar uses the term "perfect" to refer to a grammatical tense encoding what is variously described as a past action with present relevance or a present state resulting from a past action. (For example, "I have come to the cinema" implies both that I went to the cinema and that I am now in the cinema.) The perfect is opposed to the aorist, describing a simple past action, and the imperfect, describing an ongoing past action. From this, the aspectual nature of the perfect tense was generalized into the perfect aspect, describing a previously completed action with relevance to a particular time. Accordingly, English grammar speaks of the present perfect ("I have gone"), the past perfect or pluperfect ("I had gone"), and the future perfect ("I will have gone").

Latin, however, lacks a distinction between aorist and perfect, and for morphological reasons the single tense representing the combination of both meanings is called the "perfect". The two-way distinction here between imperfect and perfect is carried over into the terminology of various modern languages, such as the Slavic languages and the Romance languages, where a distinction between "imperfective" and "perfective" aspect corresponds to a distinction between an event viewed as ongoing or with internal structure and an event viewed as a simple whole. That is, what is called "perfective" is similar to the aspectual nature of the original Greek aorist, not the Greek perfect.

Many linguists have tried to maintain this terminology. The web site of SIL International, for example, describes the "perfective aspect" as "an aspect that expresses a temporal view of an event or state as a simple whole, apart from the consideration of the internal structure of the time in which it occurs". This has led other linguists to categorize the three-way aspectual distinction visible in Greek, English, Spanish and various other languages as a distinction between "imperfective", "perfective" and "perfect". Not surprisingly, the latter two are constantly confused, and "perfective" is often taken to be synonymous with "perfect".

Examples of various aspects rendered in English

  • Perfective: 'I struck the bell.' (an action completed)
  • Perfect (sometimes confusingly called "perfective"; see above): 'I have arrived at the cinema.' (the aspect that brings attention to the consequences of an action in the past)
  • Progressive (continuous): 'I am eating.' (action is in progress)
  • Habitual: 'I walk home from work.' (habitually)
    • 'I would walk [OR: used to walk] home from work.' (past habit)
  • Imperfective (an unfinished action, combines the meanings of both the progressive and the habitual aspects): 'I am walking to work' (progressive) or 'I walk to work every day' (habitual).
  • Prospective: 'I am about to eat' OR: 'I am going to eat."
  • Recent Perfect or After Perfect: 'I just ate' OR: 'I am after eating." (Hiberno-English)
  • Inceptive: 'I started laughing.'
  • Inchoative: 'I started running' (not clearly distinguished from the inceptive aspect)
  • Continuative: 'I am still eating.'
  • Terminative: 'I am finishing my meal.'
  • Cessative: 'I am quitting smoking.'
  • Defective : 'I almost fell.'
  • Pausative: 'I stopped working for a while.'
  • Resumptive: 'I resumed sleeping.'
  • Punctual: 'I slept.'
  • Durative: 'I slept for an hour.'
  • Delimitative: 'I slept for a while.'
  • Protractive: 'The argument went on and on.'
  • Iterative: 'I read the same books again and again.'
  • Frequentative: 'It sparkled', contrasted with 'It sparked'. Or, 'I run around', vs. 'I run'.
  • Experiential: 'I have gone to school many times.'
  • Intentional: 'I listened carefully.'
  • Accidental: 'I knocked over the chair.'
  • Generic: 'Mangoes grow on trees.'
  • Intensive: 'It glared.'
  • Moderative: 'It shone.'
  • Attenuative: 'It glimmered.'
  • Momentane: 'The mouse squeaked once.' (contrasted to 'The mouse squeaked/was squeaking.')


Other references

  • Bache, C. (1982). Aspect and Aktionsart: Towards a semantic distinction. Journal of Linguistics, 18(01), 57-72.
  • Berdinetto, P. M., & Delfitto, D. (2000). Aspect vs. Actionality: Some reasons for keeping them apart. In O. Dahl (Ed.), Tense and Aspect in the Languages of Europe (pp. 189–226). Berlin: Mouton de Gruyter.
  • Binnick, R. I. (1991). Time and the verb: A guide to tense and aspect. New York: Oxford University Press.
  • Binnick, R. I. (2006). Aspect and Aspectuality. In B. Aarts & A. M. S. McMahon (Eds.), The Handbook of English Linguistics (pp. 244–268). Malden, MA: Blackwell Publishing.
  • Chertkova, M. Y. (2004). Vid or Aspect? On the Typology of a Slavic and Romance Category [Using Russian and Spanish Material]. Vestnik Moskovskogo Universiteta, Filologiya, 58(9-1), 97-122.
  • Comrie, B. (1976). Aspect: An introduction to the study of verbal aspect and related problems. Cambridge; New York: Cambridge University Press.
  • Frawley, W. (1992). Linguistic semantics. Hillsdale, NJ: Lawrence Erlbaum Associates.
  • Kortmann, B. (1991). The Triad "Tense-Aspect-Aktionsart". Belgian Journal of Linguistics, 6, 9-30.
  • MacDonald, J. E. (2008). The syntactic nature of inner aspect: A minimalist perspective. Amsterdam; Philadelphia: John Benjamins Pub. Co.
  • Maslov, I. S. (1998). Vid glagol'nyj [Aspect of the verb]. In V. N. Yartseva (Ed.), Jazykoznanie: Bol'shoj entsyklopedicheskij slovar' (pp. 83–84). Moscow: Bol'shaja Rossijskaja Entsyklopedija.
  • Richardson, K. (2007). Case and aspect in Slavic. Oxford; New York: Oxford University Press.
  • Sasse, H.-J. (2002). Recent activity in the theory of aspect: Accomplishments, achievements, or just non-progressive state? Linguistic Typology, 6(2), 199-271.
  • Sasse, H.-J. (2006). Aspect and Aktionsart. In E. K. Brown (Ed.), Encyclopedia of language and linguistics (Vol. 1, pp. 535–538). Boston: Elsevier.
  • Smith, C. S. (1991). The parameter of aspect. Dordrecht; Boston: Kluwer Academic Publishers.
  • Tatevosov, S. (2002). The parameter of actionality. Linguistic Typology, 6(3), 317-401.
  • Travis, L. (in preparation). Inner aspect.
  • Verkuyl, H. (2005). How (in-)sensitive is tense to aspectual information? In B. Hollebrandse, A. van Hout & C. Vet (Eds.), Crosslinguistic views on tense, aspect and modality (pp. 145–169). Amsterdam: Rodopi.
  • Zalizniak, A. A., & Shmelev, A. D. (2000). Vvedenie v russkuiu aspektologiiu [Introduction to Russian aspectology]. Moskva: IAzyki russkoi kul’tury.

See also

External links

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