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The past perfect progressive or past perfect continuous (also known as the pluperfect progressive or pluperfect continuous) combines perfect progressive aspect with past tense. It is formed by combining had (the past tense of auxiliary have), been (the past participle of be), and the present participle of the main verb.
The perfect tense or aspect (abbreviated PERF or PRF) is a verb form that indicates that an action or circumstance occurred earlier than the time under consideration, often focusing attention on the resulting state rather than on the occurrence itself. An example of a perfect construction is I have made dinner.
Unlike the present perfect, the past perfect can readily be used with an adverb specifying a past time frame for the occurrence. For example, it is incorrect to say *I have done it last Friday (the use of last Friday, specifying the past time, would entail the use of the simple past, I did it, rather than the present perfect).
For example, the noun aerobics has given rise to the adjective aerobicized. [3] Words combine to form phrases. A phrase typically serves the same function as a word from some particular word class. [3] For example, my very good friend Peter is a phrase that can be used in a sentence as if it were a noun, and is therefore called a noun phrase.
No particular past time frame is specified for the action/event. When a past time frame (a point of time in the past, or period of time which ended in the past) is specified for the event, explicitly or implicitly, the simple past is used rather than the present perfect. The tense may be said to be a sort of mixture of present and past.
Perfect: ductus sum (ductus fuī) 'I was led, I have been led' Future Perfect: ductus erō (ductus fuerō) 'I will have been led' Pluperfect: ductus eram (ductus fueram) 'I had been led' The perfectum system has simple tenses in the active (dūxī, dūxerō, dūxeram) and compound tenses in the passive (ductus sum, ductus erō, ductus eram).
There is a perfect form in both tenses, which is expressed by an inflected form of the imperfective auxiliary verb έχω "have" and an invariant verb form derived from the perfective stem of the main verb. The perfect form is much rarer than in English. The non-past perfect form is a true perfect aspect as in English.
The past tense is a grammatical tense whose function is to place an action or situation in the past. Examples of verbs in the past tense include the English verbs sang, went and washed. Most languages have a past tense, with some having several types in order to indicate how far back the action took place.