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The future perfect continuous tense

I. The formation of the Future Perfect Continuous Tense

The Future Perfect Continuous is formed by means of the Future Perfect of the auxiliary verb to be and Participle I of the notional verb.

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

Negative

I shall have been working

I shall have not been working

You will have been working

You will have not been working

He/she/it will have been working

He/she/it will have not been working

We shall have been working

We will have not been working

They will have been working

They will have not been working

Interrogative

Shall I have been working?

Will you have been working?

Will he/she/it have been working?

Shall we have been working?

Will they have been working?

II. The contracted affirmative forms are:

I’ll have been working

We’ll have been working

The contracted negative forms are:

I shan’t have been working

He won’t have been working

The negative-interrogative forms are:

Will he not have been working?

Won’t he have been working?

Shall we not have been working?

Shan’t we have been working?

III.The use of the Future Perfect Continuous

    1. The Future Perfect Continuous denotes an action begun before a definite moment in the future and continued into that future moment;

I shall have been writing for two hours by the time you come back.

By the first of July he will have bee working at this office for six months.

THE FUTURE-IN-THE-PAST TENSE

The English language has a special form of the future, the Future-in-the-Past, to express a future action viewed from a past moment (sequence of tenses). If the verb in the principal clause is in one of the past tenses, a past tense (or Future-in-the-Past) must be used in the subordinate clause. If the action expressed in the principal clause is posterior to that of the principal clause the Future-in-the-Past is used.

THE FUTURE-INDEFINITE-IN-THE-PAST

I. The formation of the Future-Indefinite-in-the-Past

The Future-Indefinite-in-the-Past is formed by means of the auxiliary verbs should and would and the infinitive without to of the notional verb.

Should is used for the first person singular and plural.

Would is used for the second and the third person singular and plural.

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

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

Affirmative

Interrogative

Negative

I should work

Should I work?

I should not work

You would work

Would you work?

You would not work

He/she/it would work

Would he/she/it work?

He/she/it would not work

We should work

Should we work?

We shouldn’t work

They would work

Would they work?

They shouldn’t work

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