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3. The Past Perfect Continuous Inclusive and the Past Con­tinuous.

The Past Perfect Continuous Inclusive should not be confused with the Past Continuous. The Past Continuous is used to denote an action going on at a definite moment in the past, no previous duration is expressed. The Past Perfect Continuous Inclusive is used when the previous duration of the action is expressed.

And now it was raining, had been raining for days the miserable fall rains of Eastern France. (Heym)

The magnificent motor-car was waiting at the kerb. It had been waiting for two hours. (Bennett)

The future perfect continuous

1. The formation of the Future Perfect Continuous.

1. 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.

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 been working Shall I have been working?

He will have been working Will he have been working?

She will have been working Will she have been working?

We shall have been working Shall we have been working?

You will have been working Will you have been working?

They will have been working Will they have been working?

Negative

I shall not have been working

He will not have been working

She will not have been working

We shall not have been working

You will not have been working

They will not have been working

3. The contracted affirmative forms are:

I'll have been working

He'll have been working

The contracted negative forms are:

I shan't have been working

He won't have been working

4. 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?

2. The use of the Future Perfect Continuous.

The Future Perfect Continuous denotes 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.

We shall have been working at this problem for a month when you visit us a second time.

The future perfect continuous in the past

1. The formation of the Future Perfect Continuous in the Past.

1. The Future Perfect Continuous in the Past is formed by means of the Future Perfect in the Past of the auxiliary verb to be and Participle I 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 should have been working Should I have been working?

He would have been working Would he have been working?

She would have been working Would she have been working?

We should have been working Should we have been working?

You would have been working Would you have been working?

They would have been working Would they have been working?

Negative

I should not have been working

He would not have been working

She would not have been working

We should not have been working

You would not have been working

They would not have been working

3. The contracted affirmative forms are:

I'd have been working He'd have been working

The contracted negative forms are:

I shouldn't have been working

He wouldn't have been working

4. The negative-interrogative forms are:

Should I not have been working?

Shouldn't I have been working?

I Would he not have been working?

Wouldn't he have been working?