Page 82 - Grammar Glow - 6

l She has not finished packing her suitcase.

l I have not completed my homework.
To form the interrogative in present perfect tense, we interchange the positions of the subjects
and the helping verbs has/have.

l Has she finished packing her suitcase?
l Have I completed my homework?

Remember
The present perfect tense is used to tell us about something that occurred at some indefinite
period in the past. However, if something happened at a specific point of time in the past, then
we must use the simple past tense.

Past Perfect Tense

The past perfect tense describes an action completed before a certain moment in the past.

Uses of Past Perfect Tense
The past perfect tense is used to:

 refer to something that occurred a long time ago.
l I had met Sushant several years ago.

 refer to something that occured before something else in the past.

l I had lived there for three years before I moved here.
Formation of Past Perfect Tense

To form the past perfect tense, we use had + past participle form of the main verb.
l He had left for the day.

l My mother had cooked dinner when my sister reached home.
Making Negative and Interrogative Sentences in Past Perfect Tense

To form the negative in past perfect tense, we place not between had and the past participle form
of the main verb.
l I had not seen him doing the same stunt last year.

l Kriti had not read the book before.
To form the interrogative in past perfect tense, we interchange the positions of the subjects and
the helping verb had.

l Had she expected that he would tell her the truth?
l Had I hoped that I would get the job?

Future Perfect Tense

The future perfect tense is used to show actions that will be completed at some point in the future.

80
80