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.
She makes cakes every Sunday.
Answer: B
Correct answer: Cakes are made by her every Sunday.
Makes is present simple describing a habit, so the passive is are made, plural to agree with cakes. Were made shifts to the past, and cakes make her reverses the roles.
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She spoke to the official on duty.
Answer: A
Correct answer: The official on duty was spoken to by her
Speak to is a prepositional verb, so to stays with the participle: was spoken to. The phrase on duty describes the official and must stay next to him, which is why moving it to the end changes what it modifies.
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The doctor advised the patient not to eat rice.
Answer: A
Correct answer: The patient was advised by the doctor not to eat rice.
Advise takes an object and an infinitive; the object becomes the subject and the infinitive is untouched. Turning it into a that clause changes the construction, and the continuous and perfect options change the tense.
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I cannot accept your offer.
Answer: A
Correct answer: Your offer cannot be accepted by me.
The object your offer becomes the subject, I becomes by me, and the modal takes be + participle. The option dropping your loses whose offer it is, and the one dropping the agent loses who refuses.
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You should open the wine about three hours before you use it.
Answer: D
Correct answer: Wine should be opened about three hours before it is used.
Both verbs go passive, not just the first: you use it becomes it is used. The options leaving you use it or use in the second clause convert only half the sentence.
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They will inform the police.
Answer: A
Correct answer: The police will be informed by them.
The future will inform becomes will be informed. The second option is active again with the roles reversed, and the third changes the tense to the present.
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I saw him leaving the house
Answer: D
Correct answer: He was seen leaving the house by me
The object him becomes the subject, and the participle leaving is untouched - only the main verb changes to the passive. The option putting leaving the house at the front detaches it from the person it describes.
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He teaches us Grammar.
Answer: D
The sentence is in the present tense, the conversion needs to be in the same. All the options other than option (b) are either in the past tense or the future. Even if the rules of conversion are being followed in them, they are still wrong as they dilute the meaning of the sentence
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People claim to have seen the suspect in several cities.
Answer: C
Correct answer: The suspect is claimed to have been seen in several cities
Two verbs go passive: people claim becomes is claimed, and to have seen becomes to have been seen. The options that convert only the second lose the claiming, which is what the sentence is chiefly about.
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The noise of the traffic kept me awake
Answer: C
Correct answer: I was kept awake by the noise of the traffic
The object me becomes the subject and the noise of the traffic becomes the agent. Awake is the complement of kept and does not change; waking would make it a verb.
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