Question

who wrote this book (change into passive voice)​

Answer 1

Passive voice:

By whom is this book written??

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Answer 2

The answer is as follows:

By whom was this book written?

Active and Passive Voice

• Active voice refers to the sentence where the subject is held responsible for the action.

• Passive voice refers to the sentence where the subject is portrayed as a recipient of the consequences of the action.

• While transforming an interrogative sentence into a passive voice, the question mark remains intact.

• In the passive voice, the tense is written in the past participle form.