Fill in the blanks with an infinitive with or without to.
1Don't ............... that wire.
Wrong!
After "Don't", use the base form "touch".
2She didn't allow me ............... her piano.
Wrong!
After "allow someone", use the to-infinitive "to touch".
3They didn't let him ...............
Wrong!
After "let someone", use the base infinitive "go".
4You ought ............... a doctor.
Wrong!
After "ought", use the to-infinitive "to see".
5I was unable ............... his true motives.
Wrong!
After "unable", use the to-infinitive "to understand".
6I daren't ...............
Wrong!
The modal negative "daren't" is followed by the base infinitive "speak".
7He dared me ............... the boss for a pay rise.
Wrong!
When "dare" means challenge someone, use "dare someone" + the to-infinitive, so "to ask" is correct.
8Don't forget ............... Granny on her birthday.
Wrong!
After "forget" for something you must do, use the to-infinitive "to wish".
9They asked us ............... the room.
Wrong!
After "ask someone", use the to-infinitive "to vacate".
10I heard him ............... it.
Wrong!
After "heard him" for a complete action, use the bare infinitive "say".
11You don't have ............... rooms in advance.
Wrong!
In "don't have to", use the to-infinitive marker in "to book".
12They refused ............... me.
Wrong!
After "refused", use the to-infinitive "to help".
Exercise complete
0 out of 12
correct answers
Answers
- Don’t touch that wire.
- She didn’t allow me to touch her piano.
- They didn’t let him go.
- You ought to see a doctor.
- I was unable to understand his true motives.
- I daren’t speak.
- He dared me to ask the boss for a pay rise.
- Don’t forget to wish Granny on her birthday.
- They asked us to vacate the room.
- I heard him say it.
- You don’t have to book rooms in advance.
- They refused to help me.