Fill in the blanks with an infinitive with or without to.
1They encouraged him ............... again.
Wrong!
The verb "encourage" is followed by an object and "to try".
2The doctor suggested ............... a break.
Wrong!
The verb "suggest" is followed by the -ing form "taking".
3You ought ............... your dues.
Wrong!
The semi-modal "ought" is followed by "to pay".
4The minister was forced ...............
Wrong!
In the passive, "force" is followed by "to resign".
5She was made ...............
Wrong!
In the passive, "make" is followed by "to apologize".
6You had better ............... to him.
Wrong!
The expression "had better" is followed by the bare infinitive "listen".
7You must not ............... in my affairs.
Wrong!
After the modal "must not", we use the bare infinitive "interfere".
8Don’t forget ............... the door.
Wrong!
For a necessary future action, "forget" is followed by "to lock".
9You don’t need ............... for that call.
Wrong!
As an ordinary verb, "need" is followed by "to pay".
10She need not ............... again.
Wrong!
As a modal verb, "need not" is followed by the bare infinitive "apply".
11I saw her ............... the door.
Select 2 answers.
Wrong!
After "saw her", both "open" and "opening" are possible, with a small difference in focus.
12We cannot allow this ...............
Wrong!
The verb "allow" is followed by an object and "to happen".
Done.
Score: 0/12
Answers
- They encouraged him to try again.
- The doctor suggested taking a break.
- You ought to pay your dues.
- The minister was forced to resign
- She was made to apologize
- You had better listen to him.
- You must not interfere in my affairs.
- Don’t forget to lock the door.
- You don’t need to pay for that call.
- She need not apply again.
- I saw her open / opening the door.
- We cannot allow this to happen

