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The interrogative (yes/no question) in past perfect is formed by using had+ subject + past participle
form of the main verb.

l Had they packed their lunch before leaving?

The wh-question in past perfect is formed by using a wh-word + had + subject + past participle
form of the main verb.
l Where had she travelled before settling here?

Test Yourself

II. Rewrite the given sentences as instructed in brackets.
1. I had washed the floor when the doorbell rang. (change to negative)

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2. They had gone to watch the latest film. (change to yes/no question)
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3. Hari had known about it for a while. (change to interrogative)
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4. Shweta had put the kettle on the stove. (change to wh-question)
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5. Had he flown a plane before? (change to positive)

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Future Perfect Tense

The future perfect tense is used to explain an activity that will be completed by a certain time
in the future. We use time expressions like by the time, by then, by 2025, by January end, etc. to
denote a future perfect tense.
The future perfect is formed by using will have or shall have + past participle form of the main
verb.

l I shall have completed this work by evening.

l The tree will have grown by the end of this year.

Formation of Sentences in Future Perfect Tense

The negative in future perfect is formed by using shall/will + not + have + past participle form of
the main verb.
l She will not have completed the job by the end of this week.

l We shall not have met them.

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