The imperfective (abbreviated NPFV, IPFV, or more ambiguously IMPV) is a grammatical aspect used to describe ongoing, habitual, repeated, or similar semantic roles, whether that situation occurs in the past, present, or future. Although many languages have a general imperfective, others have distinct aspects for one or more of its various roles, such as progressive, habitual, and iterative aspects. The imperfective contrasts with the perfective aspect, which is used to describe actions viewed as a complete whole.
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👉 Imperfective aspect in the context of Perfective aspect
The perfective aspect (abbreviated PFV), sometimes called the aoristic aspect, is a grammatical aspect that describes an action viewed as a simple whole, i.e., a unit without interior composition. The perfective aspect is distinguished from the imperfective aspect, which presents an event as having internal structure (such as ongoing, continuous, or habitual actions). The term perfective should be distinguished from perfect (see below).
The distinction between perfective and imperfective is more important in some languages than others. In Slavic languages, it is central to the verb system. In other languages such as German, the same form such as ich ging ("I went", "I was going") can be used perfectively or imperfectively without grammatical distinction. In other languages such as Latin, the distinction between perfective and imperfective is made only in the past tense (e.g., Latin veni "I came" vs. veniebam "I was coming", "I used to come"). However, perfective should not be confused with tense—perfective aspect can apply to events in the past, present, or future.
In this Dossier
- ⭐ Core Definition: Imperfective aspect
- 👉 Imperfective aspect in the context of Perfective aspect
- Imperfective aspect in the context of Grammatical aspect
- Imperfective aspect in the context of Habitual aspect
- Imperfective aspect in the context of French verbs
- Imperfective aspect in the context of Continuous and progressive aspects
Imperfective aspect in the context of Grammatical aspect
In linguistics, aspect is a grammatical category that expresses how a verbal action, event, or state, extends over time. For instance, perfective aspect is used in referring to an event conceived as bounded and only once occurring, without reference to any flow of time during the event ("I helped him"). Imperfective aspect is used for situations conceived as existing continuously or habitually as time flows ("I was helping him"; "I used to help people").
Further distinctions can be made, for example, to distinguish states and ongoing actions (continuous and progressive aspects) from repetitive actions (habitual aspect).
Imperfective aspect in the context of Habitual aspect
In linguistics, the aspect of a verb is a grammatical category that defines the temporal flow (or lack thereof) in a given action, event, or state. As its name suggests, the habitual aspect (abbreviated HAB), not to be confused with iterative aspect or frequentative aspect, specifies an action as occurring habitually: the subject performs the action usually, ordinarily, or customarily. As such, the habitual aspect provides structural information on the nature of the subject referent, "John smokes" being interpretable as "John is a smoker", "Enjoh habitually gets up early in the morning" as "Enjoh is an early bird". The habitual aspect is a type of imperfective aspect, which does not depict an event as a single entity viewed only as a whole but instead specifies something about its internal temporal structure.
Östen Dahl found that the habitual past, the most common tense context for the habitual, occurred in only seven of 60 languages sampled, including English. Especially in Turkic languages such as Azerbaijani and Turkish, he found that the habitual can occur in combination with the predictive mood.
Imperfective aspect in the context of French verbs
In French grammar, verbs are a part of speech. Each verb lexeme has a collection of finite and non-finite forms in its conjugation scheme.
Finite forms depend on grammatical tense and person/number. There are eight simple tense–aspect–mood forms, categorized into the indicative, subjunctive and imperative moods, with the conditional mood sometimes viewed as an additional category. The eight simple forms can also be categorized into four tenses (future, present, past, and future-of-the-past), or into two aspects (perfective and imperfective).
Imperfective aspect in the context of Continuous and progressive aspects
The continuous and progressive aspects (abbreviated CONT and PROG) are grammatical aspects that express incomplete action ("to do") or state ("to be") in progress at a specific time: they are non-habitual, imperfective aspects.
In the grammars of many languages the two terms are used interchangeably. This is also the case with English: a construction such as "He is washing" may be described either as present continuous or as present progressive. However, there are certain languages for which two different aspects are distinguished. In Chinese, for example, progressive aspect denotes a current action, as in "he is getting dressed", while continuous aspect denotes a current state, as in "he is wearing fine clothes".