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The past perfect tense

I. The formation of the Past Perfect Tense.

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

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 had worked

Had I worked?

I had not worked

You had worked

Had you worked?

You had not worked

He/she/it had worked

Had he/she/it worked?

He/she/it had worked

We had worked

Had we worked?

We had not worked

They had worked

Had they worked?

They had not worked

II. The contracted affirmative forms are:

I’d worked

We’d worked

The contracted negative forms are:

I hadn’t worked

We hadn’t worked

The negative-interrogative forms are:

Had he not worked?

Hadn’t he worked?

Had you not worked?

Hadn’t you worked?

III. The use of the Past Perfect

  1. The Past Perfect expresses an action accomplished before a given past moment and viewed back from that moment.

The porter said that our friend had just left the club.

The storm had died away but very far off the thunder was still muttering.

The past moment from which the accomplished action is viewed may be indicated:

  1. By means of an adverbial expression: by four o’clock, by that time, by the end of the week, etc.

By that time the children had already gone to school.

By the end of the week we had already done half of the work.

By six o’clock they had already gathered in the hall.

  1. By another action expressed by a verb in the Past Indefinite.

When I came home, everybody had gone to the concert.

I knew that she had left for the South.

Notice that the tense does not change depending on the positive or negative meaning of the context:

We had gone far when we suddenly noticed that dark clouds were beginning to gather.

We had not gone far when we suddenly noticed that dark clouds were beginning to

gather.

The definite moment need not necessarily be expressed in the same sentence as the action expressed by the Past Perfect.

Everybody noticed how sad she was the whole evening. She had got an unpleasant

letter.

  1. The Past Perfect is used with the conjunctions hardly…when,

merely…when,

barely…when,

scarcely…when,

no sooner…than.

He had hardly entered the room when he heard some noise.

For the sake of emphasis the word order is often inverted.

No sooner had the bell gone than the teacher entered the classroom.

  1. The Past Perfect is frequently used with the adverbs just,

already,

yet.

Elsie, who had not yet assumed the white cap, was sweeping the stairs.

  1. Sometimes the Past Perfect does not denote priority but only the completion of the action.

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