Fill in the blanks.
1The main thing is ............... calm.
Wrong!
Use the simple infinitive "to stay" after this linking expression to talk about the best action now.
2We ought ............... some light bulbs.
Wrong!
The modal expression "ought" is followed by the infinitive "to buy".
3I am eager ............... this place.
Wrong!
The adjective "eager" is followed by the infinitive "to leave".
4She chose ............... silent.
Wrong!
The verb "chose" is followed by the infinitive "to remain".
5Why is she so late? She ............... .
Wrong!
Use the continuous infinitive "can't still be working" to show an action possibly happening now.
6It is nice ............... the prize.
Wrong!
Use the perfect infinitive "to have won" to refer to an earlier achievement.
7I seem ............... you before.
Wrong!
Use the perfect infinitive "to have met" because the meeting happened before the present memory.
8She ought to ............... to the party.
Wrong!
Use the passive infinitive "be invited" because she receives the invitation.
9The roof must ............... before the rains arrive.
Wrong!
Use the passive infinitive "be repaired" after "must" because the roof receives the action.
10I am sorry ............... on Monday.
Wrong!
Use the negative perfect infinitive "not to have come" to apologize for a past action.
11You were lucky. You could ............... your back when you fell.
Wrong!
Use the perfect infinitive "have broken" after "could" to talk about a possible past result.
12You were silly ............... the door.
Wrong!
Use the negative perfect infinitive "not to have locked" to criticize a past mistake.
Done.
Score: 0/12
Answers
- The main thing is to stay calm.
- We ought to buy some light bulbs.
- I am eager to leave this place.
- She chose to remain silent.
- Why is she so late? She can’t still be working .
- It is nice to have won the prize.
- I seem to have met you before.
- She ought to be invited to the party.
- The roof must be repaired before the rains arrive.
- I am sorry not to have come on Monday.
- You were lucky. You could have broken your back when you fell.
- You were silly not to have locked the door.
