Forms of the Infinitive

Fill in the blanks with the most appropriate form of the infinitive.

1. Nobody likes .................................

to bully

to be bullying

to be bullied

Correct! Wrong!

2. She came here ............................ work.

to find

to have found

to be found

Correct! Wrong!

3. Everyone wants ........................... rich.

to be

to have

to have been

Correct! Wrong!

4. She agreed ...........................

to help

to have helped

to be helped

Correct! Wrong!

5. Do you know how ............................?

to swim

to be swum

to be swimming

Correct! Wrong!

6. My dad taught me how ...............................

to drive

to be driving

to have driven

Correct! Wrong!

7. She doesn't like ............................... while she is working.

to disturb

to be disturbed

to have disturbed

Correct! Wrong!

8. He was supposed ................................... here in the morning.

to be

to have been

to having been

Correct! Wrong!

9. You need .......................... punctual.

to be

to have

Correct! Wrong!

10. You ........................... to work so hard.

needn't

don't need

Correct! Wrong!

11. His parents have saved enough for him. He need not ............................... or earn.

work

to work

Correct! Wrong!

When need is a modal verb, it is followed by an infinitive without to.

12. Do you need ............................ now?

to go

going

Correct! Wrong!

Answers

1. Nobody likes to be bullied.
2. She came here to find work.
3. Everyone wants to be rich.
4. She agreed to help.
5. Do you know how to swim?
6. My dad taught me how to drive.
7. She doesn’t like to be disturbed while she is working.
8. He was supposed to have been here in the morning.
9. You need to be punctual.
10. You don’t need to work so hard.
11. His parents have saved enough for him. He need not work or earn.
12. Do you need to go now?