Question

Who kills the mad dogs(Change into past perfect)

Answer 1

Who had killed the mad dogs.?

Explanation:

Past perfect tense indicates that a certain action was completed at some point before something else happened.

The formula for this tense is:

Subject + had + 3rd form of verb + object

Who kills the mad dogs.

This is a simple interrogative present tense.

It's past perfect interrogative tense would be:

Who had killed the mad dogs.?

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Use of past continuous tense  ?

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Answer 2

By changing the given sentence into past perfect tense we will get '' Who had killed the mad dog''?

Explanation:

• Past perfect tense shows that something has been done perfectly in the previous time.
• It has no relation to the present time.
• The use of 'was' shows that it belongs to the past tense.
• The work done shown in the sentence shows that it is perfect tense.

Learn more about it.

Past perfect tense example

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