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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.
In English grammar, the pluperfect (e.g. "had written") is now usually called the past perfect, since it combines past tense with perfect aspect. (The same term is sometimes used in relation to the grammar of other languages.) English also has a past perfect progressive (or past perfect continuous) form: "had been writing".
The perfect can also be combined with another aspect [21] that is marked in English – the progressive (or continuous) aspect. In perfect progressive (or perfect continuous) constructions, the perfect auxiliary (a form of have) is followed by the past participle been (from be, the auxiliary of the progressive aspect), which in turn is followed ...
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).
The paradigms for tenses in Ancient Greek are similar to the ones in Latin, but with a three-way aspect contrast in the past: the aorist, the perfect and the imperfect. Both aorist and imperfect verbs can represent a past event: through contrast, the imperfect verb often implies a longer duration (e.g. 'they urged him' vs. 'they persuaded him').
A perfect tense (abbreviated PERF or PRF) is a grammatical form used to describe a past event with present relevance, or a present state resulting from a past situation. For example, "I have put it on the table" implies both that I put the object on the table and that it is still there; "I have been to France" conveys that this is a part of my ...
To form a question from a sentence which does not have such an auxiliary or copula present, the auxiliary verb do (does, did) needs to be inserted, along with inversion of the word order, to form a question (see do-support). For example: She can dance. → Can she dance? (inversion of subject she and auxiliary can)
In Latin, the sequence of tenses rule affects dependent verbs in the subjunctive mood, mainly in indirect questions, indirect commands, and purpose clauses. [4] If the main verb is in one of the non-past tenses, the subordinate verb is usually in the present or perfect subjunctive (primary sequence); if the main verb is in one of the past tenses, the subordinate verb is usually in the ...