(n) a perfective tense used to describe action that will be completed in the future, Syn. future perfect tense, Example:`I will have finished' is an example of the future perfect
(n) a perfective tense used to express action completed in the past, Syn. past perfect tense, pluperfect, pluperfect tense, Example:`I had finished' is an example of the past perfect
(n) a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect), Syn. perfect, perfective tense, perfect tense
(n) a perfective tense used to express action completed in the present, Syn. present perfect tense, Example:`I have finished' is an example of the present perfect