In the questions below the sentences have been given in Active/Passive voice. From the given alternatives, choose the one which best expresses the given sentence in Passive/Active voice.
Has anybody answered his question?
Answer: C
Correct answer: Has his question been answered?
Anybody is an indefinite subject and disappears in the passive. The present perfect gives has been answered, and the question order puts has first.
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The seller lowered the prices.
Answer: B
Correct answer: The prices were lowered by the seller.
Lowered is past simple, so the passive is were lowered, plural to agree with the prices. The first option reverses the roles, and the last has no auxiliary at all.
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Change into passive voice: The chef prepared a delicious meal.
Answer: D
Correct answer: A delicious meal was prepared by the chef.
The active verb is in the simple past, so the passive takes was or were with the past participle. The object of the active sentence becomes the subject, and the original subject follows “by”.
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This surface feels smooth.
Answer: A
Correct answer: This surface is smooth when it is felt
Feels smooth is the middle voice: the surface is not doing the feeling, and it is not being felt in the sentence either - it simply is smooth to the touch. The passive therefore has to unpack the sense into two clauses. Is felt smooth would mean somebody feels it and finds it so, which is not what the original says.
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We have already done the exercise.
Answer: B
Correct answer: The exercise has already been done by us
The present perfect have done becomes has been done, singular to agree with the exercise, and already keeps its place between the auxiliary and the participle.
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Why do you tell a lie?
Answer: C
Correct answer: Why is a lie told by you?
The present simple question why do you tell becomes why is a lie told, with do absorbed into is. The continuous option changes a habit into something happening now.
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You surprise me.
Answer: D
Correct answer: I am surprised
You surprise me makes me the object, so in the passive it becomes the subject I, and the verb is am surprised. Me is surprised keeps the object form in subject position, and you are surprised reverses who is surprised.
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Did you visit a zoo?
Answer: D
Correct answer: Was a zoo visited by you?
The past simple question did you visit becomes was a zoo visited, with did absorbed into was. The other options add a second auxiliary after was.
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It is time to ring the bell.
Answer: D
Correct answer: It is time for the bell to be rung
It is time to ring the bell has an active infinitive; its passive counterpart is for the bell to be rung, which introduces the thing acted on with for. For the bell to ring is active again, and to be ring uses the base form where the participle belongs.
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The boys were playing Cricket.
Answer: D
Correct answer: Cricket was being played by the boys.
The past continuous were playing becomes was being played, singular to agree with cricket. Was played drops the continuous, and the perfect options make the game complete.
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