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  2. Uses of English verb forms - Wikipedia

    en.wikipedia.org/wiki/Uses_of_English_verb_forms

    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.

  3. Perfect (grammar) - Wikipedia

    en.wikipedia.org/wiki/Perfect_(grammar)

    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 ...

  4. Pluperfect - Wikipedia

    en.wikipedia.org/wiki/Pluperfect

    English also has a past perfect progressive (or past perfect continuous) construction, such as had been working. This is the past equivalent of the present perfect progressive, and is used to refer to an ongoing action that continued up to the past time of reference. For example: "It had been raining all night when he awoke."

  5. Conditional perfect - Wikipedia

    en.wikipedia.org/wiki/Conditional_perfect

    The conditional perfect is a grammatical construction that combines the conditional mood with perfect aspect.A typical example is the English would have written. [1] The conditional perfect is used to refer to a hypothetical, usually counterfactual, event or circumstance placed in the past, contingent on some other circumstance (again normally counterfactual, and also usually placed in the past).

  6. English grammar - Wikipedia

    en.wikipedia.org/wiki/English_grammar

    Apart from what are called the simple present (write, writes) and simple past (wrote), there are also continuous (progressive) forms (am/is/are/was/were writing), perfect forms (have/has/had written, and the perfect continuous have/has/had been writing), future forms (will write, will be writing, will have written, will have been writing), and ...

  7. Perfective aspect - Wikipedia

    en.wikipedia.org/wiki/Perfective_aspect

    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 ...

  8. English conditional sentences - Wikipedia

    en.wikipedia.org/wiki/English_conditional_sentences

    The past tense (simple past or past progressive) of the condition clause is historically the past subjunctive. In modern English this is identical to the past indicative , except in the first and third persons singular of the verb be , where the indicative is was and the subjunctive were ; was is sometimes used as a colloquialism ( were ...

  9. Sequence of tenses - Wikipedia

    en.wikipedia.org/wiki/Sequence_of_tenses

    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 ...