Complete the 12 sentences below. Choose the best answer for each one.
1The painting ............... by the time the police arrived.
Wrong!
"Is believed to have been stolen" is correct because it uses a passive reporting structure with a perfect infinitive for an earlier action.
2The visitors were made ............... outside for over an hour.
Wrong!
"To wait" is correct because passive "made" is followed by a to-infinitive.
3............... of the delay, we changed our travel plans immediately.
Wrong!
"Having been informed" is correct because it is a perfect passive participle showing the informing happened first.
4The building ............... unsafe after the inspection.
Wrong!
"Was said to be" is correct because a passive reporting verb can be followed by a to-infinitive.
5The project is expected to ............... by Friday.
Wrong!
"Be completed" is correct because "is expected to" is followed here by a passive infinitive.
6The minister has ............... bribes in the past.
Wrong!
"Been alleged to have accepted" is correct because it uses a passive reporting structure with a perfect infinitive for an earlier action.
7She would prefer to ............... in a quieter room.
Wrong!
"Be kept" is correct because "would prefer to" is followed here by a passive infinitive.
8He left the meeting without ............... by anyone.
Wrong!
"Being watched" is correct because "without" is followed by a passive -ing form.
9They had the contract ............... before signing it.
Wrong!
"Revised" is correct because the causative structure is "have + object + past participle".
10The suspect was seen ............... through the back door.
Wrong!
"To leave" is correct because the passive of a perception verb is followed by a to-infinitive.
11All concerns should ............... before the final decision is made.
Wrong!
"Be addressed" is correct because "should" is followed here by a passive infinitive.
12The mistake seems to ............... during the review process.
Wrong!
"Have been overlooked" is correct because it is a perfect passive infinitive referring to an earlier action.
Done.
Score: 0/12
Answers
- The painting is believed to have been stolen by the time the police arrived.
- The visitors were made to wait outside for over an hour.
- Having been informed of the delay, we changed our travel plans immediately.
- The building was said to be unsafe after the inspection.
- The project is expected to be completed by Friday.
- The minister has been alleged to have accepted bribes in the past.
- She would prefer to be kept in a quieter room.
- He left the meeting without being watched by anyone.
- They had the contract revised before signing it.
- The suspect was seen to leave through the back door.
- All concerns should be addressed before the final decision is made.
- The mistake seems to have been overlooked during the review process.

