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English definition of “imperfect”

imperfect

adjective (GRAMMAR)    /ɪmˈpɜː.fekt/ US  /-ˈpɝː-/ specialized
the imperfect form of a verb describes an action in the past that was continuous or was not completed : In the sentence 'He was hit by a car as he was crossing the road ', the verb ' cross ' is in the imperfect form .Grammatical termsVerb forms, tenses and types of verbs
(Definition of imperfect adjective (GRAMMAR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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