Fill in the blanks with an appropriate form of the infinitive.
1Hundreds of people are believed ............... under the debris.
Wrong!
Use the passive infinitive "to be trapped" because the people are trapped under the debris now.
2She is supposed ............... very rich.
Wrong!
Use "to be" for a present state after "is supposed".
3The train was supposed ............... at 10:30.
Wrong!
Use "to come" for the scheduled time after "was supposed".
4The thieves are believed ............... through the back door.
Wrong!
Use the perfect infinitive "to have entered" because the entry happened before the present belief.
5It was alleged that he ............... at 120 miles an hour.
Wrong!
Use "was driving" because the allegation reports an action in progress in the past.
6He is alleged ............... at 120 miles an hour.
Wrong!
Use "to have been driving" because the alleged action was in progress before the present report.
7Two people are believed ............... in the accident.
Wrong!
Use the passive perfect infinitive "to have been killed" because the people received the action before the present belief.
8This medicine is supposed ............... on an empty stomach.
Wrong!
Use the passive infinitive "to be taken" because the medicine receives the action.
9He is alleged ............... a bribe.
Wrong!
Use "to have taken" because the alleged act happened before the present report.
10It is alleged that he ............... a bribe.
Wrong!
Use "took" to report the alleged past act in a that-clause.
11You are not supposed ............... this secret to anyone.
Wrong!
Use "to disclose" after "are not supposed" to express that something is not allowed.
12He is believed ............... by crossing the border.
Wrong!
Use "to have escaped" because the escape happened before the present belief.
Done.
Score: 0/12
Answers
- Hundreds of people are believed to be trapped under the debris.
- She is supposed to be very rich.
- The train was supposed to come at 10:30.
- The thieves are believed to have entered through the back door.
- It was alleged that he was driving at 120 miles an hour.
- He is alleged to have been driving at 120 miles an hour.
- Two people are believed to have been killed in the accident.
- This medicine is supposed to be taken on an empty stomach.
- He is alleged to have taken a bribe.
- It is alleged that he took a bribe.
- You are not supposed to disclose this secret to anyone.
- He is believed to have escaped by crossing the border.

