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If the corresponding affirmative predicate is based on a verbal form, a negative auxiliary is used. This is not convertible for affirmative verbs with nominal forms. The negative auxiliary is used in present tense, future tense, 1st past tense of indicative, and in the imperative and optative mood.
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.
Regular in past tense and sometimes in past participle. must – (no other forms) Defective: Originally a preterite; see English modal verbs: need (needs/need) – needed – needed: Weak: Regular except in the use of need in place of needs in some contexts, by analogy with can, must, etc; [4] see English modal verbs: ought – (no other forms ...
Although English largely separates tense and aspect formally, its aspects (neutral, progressive, perfect, progressive perfect, and [in the past tense] habitual) do not correspond very closely to the distinction of perfective vs. imperfective that is found in most languages with aspect. Furthermore, the separation of tense and aspect in English ...
To form the negative of the past continuous tense, the negation suffix "-ma/-me", which becomes -mi, -mı, -mu, or -mü because of the closed auxiliary vowel and the vowel harmony, must be added before -yor. Examples:
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 past participle of regular verbs is identical to the preterite (past tense) form, described in the previous section. For irregular verbs, see English irregular verbs. Some of these have different past tense and past participle forms (like sing–sang–sung); others have the same form for both (like make–made–made).
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 ...