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§ 22. The Past Indefinite and the Past Perfect.

  1. The Past Perfect is not used to denote a succession of actions. In this case the Past Indefinite is used.

The Past Indefinite is used with the conjunctions after, before, when if the relation between the actions approaches succession, i. e. when the idea of completion is of no importance.

He went on with his work after he had a short rest. He had a short rest before he went on with his work. When 1 wrote the letter, I posted it.

  1. Verbs of motion and sense perception such as to come, to ar­rive, to return, to see, to hear, in adverbial clauses of time are generally used in the Past Indefinite and not in the Past Perfect. The actions are practically simultaneous.

When he (Val) came down, ... he found his mother scrupulous in a low evening dress... (Galsworthy)

When he heard the first line of the poem, he recognized it at once.

When the completion of the action is emphasized the Past Perfect is used.

He knew the poem by heart when he had heard it several times.

THE FUTURE PERFECT

§ 23. The formation of the Future Perfect.

  1. The Future Perfect is formed by means of the Future Inde­finite of the auxiliary verb to have and Participle II of the notion­al verb.

  2. In the interrogative form the first auxiliary verb is placed before the subject.

In the negative form the negative particle not is placed after the first auxiliary verb.

Affirmative

Interrogative

I shall have worked

Shall 1 have worked?

He will have worked She will have worked We shall have worked You will have worked They will have worked

Will he have worked? Will she have worked? Shall we have worked? Will you have worked? Will they have worked?

Negative

I shall not have worked He will not have worked She will not have worked We shall not have worked You will not have worked They will not have worked

  1. The contracted affirmative forms are:

I'll have worked He'll have worked

The contracted negative forms are:

I shan't have worked He won't have worked

  1. The negative-interrogative forms are:

f Will he not have worked? \ Won't he have worked? f Shall we not have worked? \ Shan't we have worked?

§ 24. The use of the Future Perfect.

  1. The Future Perfect denotes an action completed before a definite moment in the future.

I shall be back by six, and I hope you will have had a good sleep by that time. (Marryat)

  1. The Future Perfect can denote an action which will begin before a definite moment in the future, will continue up to that moment and will be going on at that moment. This use of the Future Perfect is called the Future Perfect Inclusive.

The Future Perfect. Inclusive is used with verbs not admitting of the Continuous form, in negative sentences, with non-termina-tive verbs such as to work, to live, to study, to teach, etc.

1 shall have been a teacher for 20 years by next May.

I shall have worked as a teacher for 20 years by next May.

THE FUTURE PERFECT IN THE PAST

.§ 25. The formation of the Future Perfect in the Past.

1. The Future Perfect in the Past is formed by means of the Future Indefinite in the Past of the auxiliary verb to have and Participle II of the notional verb.

  1. In the interrogative form the first auxiliary verb is placed before the subject.

In the negative form the negative particle not is placed after the first auxiliary verb.

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