Select the option that expresses the given sentence in passive voice.
Who could have made such a silly mistake?
Select the option that expresses the given sentence in passive voice.
Who could have made such a silly mistake?
By whom can such a silly mistake be made?
By whom can such a silly mistake be made?
By whom can such a silly mistake have been made?
By whom can such a silly mistake have been made?
By whom could such a silly mistake have been made?
By whom could such a silly mistake have been made?
By whom could such a silly mistake be made?
By whom could such a silly mistake be made?
Correct Answer:
By whom could such a silly mistake have been made?
By whom could such a silly mistake have been made?
‘Wh’ questions Questions starting with what, why, where, when, who, whom etc are known as ‘wh’ questions Normal structure of ‘wh’ questions in active voice is ‘Wh’ word + auxiliary + subject + verb + object ? (Active Voice)
While changing the sentence into passive, this structure becomes ‘Wh’ word + auxiliary + subject + V-3 + agent ? (Passive Voice)
Who wrote this letter? (Active Voice)
By whom this letter was written? (Passive Voice)
Who will call him? (Active Voice)
By whom he will be called? (Passive Voice)
From the above explaination, Option C is correct.
