Practice questions
Q1Select the correct passive voice form of the given sentence.
Players should follow the referee's instructions during the match.
A The referee's instructions should be followed by players during the match.
B The referee's instructions should followed by players during the match.
C The referee's instructions should be follow by players during the match.
D The referee's instructions must be followed by players during the match.
Explanation Modal should in the active becomes should be + past participle in the passive. Follow therefore becomes should be followed, with players kept as the by-agent and the time phrase unchanged.
Q2Select the option that expresses the given sentence in passive voice. Did the guide cancel the trek?
A Has the trek been cancelled by the guide?
B Was the trek cancel by the guide?
C Did the trek cancelled by the guide?
D Was the trek cancelled by the guide?
Explanation A simple-past yes/no question with 'Did + subject + V1' becomes 'Was/Were + object + V3 + by + agent'. 'Did the guide cancel the trek?' therefore becomes 'Was the trek cancelled by the guide?'.
Q3Choose the option which is the correct passive voice of: Scientists have confirmed the existence of a distant moon.
A The existence of a distant moon was confirmed by scientists.
B The existence of a distant moon is confirmed by scientists.
C The existence of a distant moon has been confirmed by scientists.
D The existence of a distant moon had been confirmed by scientists.
Explanation Present perfect active have confirmed becomes has/have been + V3 in the passive. Singular existence takes has been confirmed by scientists.
Q4Select the option that expresses the given sentence in passive voice.
The auditors will review the accounts tomorrow morning.
A The accounts will review by the auditors tomorrow morning.
B The accounts will be being reviewed by the auditors tomorrow morning.
C The accounts will be reviewed by the auditors tomorrow morning.
D The accounts are being reviewed by the auditors tomorrow morning.
Explanation Simple future active (will + base verb) becomes simple future passive with will + be + past participle. Only 'will be reviewed' keeps the future time and forms a standard passive of 'will review'.
Q5Select the correct passive voice form of the given sentence.
The scribes must have copied those manuscripts by hand.
A Those manuscripts must be copied by the scribes by hand.
B Those manuscripts must have been copied by the scribes by hand.
C Those manuscripts must have copied by the scribes by hand.
D Those manuscripts might have been copied by the scribes by hand.
Explanation Modal perfect active must have + past participle becomes must have been + past participle in the passive. Copied therefore becomes must have been copied, preserving both the modal deduction and the perfect aspect.
More questions
6Select the option that expresses the given sentence in passive voice. Submit the report before noon.
AThe report was submitted before noon.
BLet the report be submitted before noon.
CLet the report submitted before noon.
DThe report is to submit before noon.
7Select the correct passive voice form of the given sentence.
Researchers can isolate the rare mineral from ore samples.
AThe rare mineral can isolate from ore samples by researchers.
BThe rare mineral could be isolated from ore samples by researchers.
CThe rare mineral can be isolate from ore samples by researchers.
DThe rare mineral can be isolated from ore samples by researchers.
8Select the option that expresses the given sentence in passive voice.
The sailors were lowering the lifeboats.
AThe lifeboats are being lowered by the sailors.
BThe lifeboats were lowered by the sailors.
CThe lifeboats were being lowered by the sailors.
DThe lifeboats had been lowered by the sailors.
9Select the correct passive voice form of the given sentence. The manager will circulate the agenda tonight.
AThe agenda is circulated by the manager tonight.
BThe agenda will be circulated by the manager tonight.
CThe agenda will circulate by the manager tonight.
DThe agenda would be circulated by the manager tonight.
10Select the option that expresses the given sentence in passive voice.
Are the volunteers packing the parcels?
AAre the parcels packed by the volunteers?
BWere the parcels being packed by the volunteers?
CHave the parcels been packed by the volunteers?
DAre the parcels being packed by the volunteers?
11Select the option that expresses the given sentence in passive voice. The chemist diluted the sample carefully.
AThe sample is diluted carefully by the chemist.
BThe sample had been diluted carefully by the chemist.
CThe sample was diluted carefully by the chemist.
DThe sample was dilute carefully by the chemist.
12Select the option that expresses the given sentence in passive voice. How did the jury reach the verdict?
AHow did the verdict reached by the jury?
BHow was the verdict reached by the jury?
CHow was the verdict reach by the jury?
DHow has the verdict been reached by the jury?
13Select the correct active voice form of the given sentence: The invoice was prepared by the clerk yesterday.
AThe clerk prepared the invoice yesterday.
BThe clerk has prepared the invoice yesterday.
CThe clerk had prepared the invoice yesterday.
DThe clerk prepares the invoice yesterday.
14Select the correct passive voice form of the given sentence. You ought to water the indoor ferns daily.
AThe indoor ferns ought to be watered daily.
BThe indoor ferns ought to watered daily.
CThe indoor ferns ought be watered daily.
DThe indoor ferns should to be watered daily.
15Choose the correct passive voice of the given sentence: The curator displayed the bronze statue in the main hall.
AThe bronze statue has been displayed by the curator in the main hall.
BThe bronze statue is displayed by the curator in the main hall.
CThe bronze statue was displayed by the curator in the main hall.
DThe bronze statue had been displayed by the curator in the main hall.