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.
The Romans expected to conquer Carthage
Answer: C
Correct answer: It was expected by the Romans that they would conquer Carthage
Expect here is followed by an infinitive whose subject is the same as the main subject, so the passive needs the anticipatory it and a that clause. Making Carthage the subject changes who was expecting whom, and the Romans were expected reverses it entirely.
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The French surrendered Quebec to the English in 1759.
Answer: A
Correct answer: Quebec was surrendered by the French to the English in 1759.
The object Quebec becomes the subject and the French the agent. English keeps the agent phrase next to the verb, so by the French precedes to the English; the option that reverses them separates the verb from its agent.
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A stone struck me on the head.
Answer: D
Correct answer: I was struck on the head by a stone
The object me becomes the subject and a stone the agent. On the head tells where I was struck, so it stays with the verb; putting by a stone before it separates the verb from the place it acted on. Making my head the subject changes what was struck.
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The residents celebrated the Independence day.
Answer: B
Correct answer: The Independence day was celebrated by the residents
Celebrated is past simple, so the passive is was celebrated. The present and present perfect options change when it happened, and the last turns the verb into a noun, which is not a change of voice at all.
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Someone gave her a bull dog.
Answer: B
Correct answer: A bull dog was given to her.
Give takes two objects, and where the indefinite someone is the subject the agent is dropped. Making the thing given the subject - a bull dog was given to her - keeps the sentence natural. The perfect and continuous options change the tense.
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Do you imitate others?
Answer: A
Correct answer: Are others imitated by you ?
The present simple question do you imitate becomes are others imitated. The auxiliary do disappears into the passive are, and the question order is kept because the sentence is still a question.
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Please help me
Answer: C
Correct answer: You are requested to help me
Please help me is an imperative, and the passive of a request is you are requested to + infinitive. The past and perfect options change when the request was made, and the continuous makes it something in progress.
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I know him.
Answer: D
Correct answer: He is known to me
Know is one of the verbs whose passive takes to rather than by for the person who knows. The tense stays present simple, so was and has been are both wrong.
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You will have finished this work by tomorrow
Answer: D
Correct answer: This work will have been finished by tomorrow
The future perfect will have finished becomes will have been finished. By tomorrow marks the deadline and must be kept; dropping by changes the meaning to during tomorrow.
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Darjeeling grows tea.
Answer: B
Correct answer: Tea is grown in Darjeeling
Grows is present simple, so the passive is is grown. The agent Darjeeling is a place, so it appears with in rather than by. Tea grows in Darjeeling is active again, and let the tea be grown turns a statement into a command.
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