Fill in the blanks with an appropriate form of the infinitive.
1I don’t let my children ............... up late.
Wrong!
After "let + object", use the infinitive without "to": "stay".
2Try ............... late.
Wrong!
The negative infinitive is usually formed with "not to be".
3I made him ............... me my money back.
Wrong!
After "make + object", use the infinitive without "to": "give".
4She was heard ............... that she was quitting.
Wrong!
In the passive, "hear" is followed by the to-infinitive "to say".
5I would like to lie down and ............... to sleep.
Wrong!
After a repeated infinitive idea joined by "and", we usually use "go" without repeating "to".
6Rather than ............... any longer, I decided to go home.
Wrong!
After "rather than", the infinitive without "to" is common: "wait".
7I have to feed the dogs and ............... the plants.
Wrong!
After a repeated infinitive idea joined by "and", we usually use "water" without repeating "to".
8She needn’t ............... any longer.
Wrong!
The modal verb "needn’t" is followed by the infinitive without "to": "wait".
9You look tired. Why not ............... some rest?
Wrong!
Suggestions with "why not" use the infinitive without "to": "get".
10Do you want to leave now or ............... until they arrive?
Wrong!
After a repeated infinitive idea joined by "or", we usually use "wait" without repeating "to".
11I am ready to do anything but ............... .
Wrong!
After "anything but" in this pattern, use the infinitive without "to": "cook".
12Do you feel the earth ...............?
Select 2 answers.
Wrong!
After "feel + object", both "move" and "moving" are possible, but not the to-infinitive.
Done.
Score: 0/12
Answers
- I don’t let my children stay up late.
- Try not to be late.
- I made him give me my money back.
- She was heard to say that she was quitting.
- I would like to lie down and go to sleep.
- Rather than wait any longer, I decided to go home.
- I have to feed the dogs and water the plants.
- She needn’t wait any longer.
- You look tired. Why not get some rest?
- Do you want to leave now or wait until they arrive?
- I am ready to do anything but cook .
- Do you feel the earth move / moving?

