A. An interrogative sentence in the active voice will remain interrogative in the passive voice. We form passive questions by putting the auxiliary verb before the subject (according to the tense). Then we place the subject and the past participle form of the main verb.
The following example shows how the voice of interrogative sentences is changed:
Does your brother draw a picture?
Is a picture drawn by your brother?
If the question in the Active Voice begins with an auxiliary verb, the Passive voice must also begin with a suitable auxiliary verb. If the question begins with a 'wh' question word (what, when, how...), the Passive Voice must begin with the same.
Look at the following changes:
Active Voice Passive Voice
Active Voice | Passive Voice |
Are you reading a book? | Is a book being read by you? |
Has she cooked the food? | Has the food been cooked by her? |
Will you close the door? | Will the door be closed by you? |
Who broke the glass? | By whom was the glass broken? |
Why did you write such a letter? | Why was such a letter written by you? |
Where can you keep the box? | Where can the box be kept by you? |
Where can you keep the box? Where can the box be kept by you?
Passive Structure: (question word) auxiliary verb+ object of the active verb + past participle form of the main verb + by + subject of the active verb
Change the following sentences into the passive form :
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