The forms and functions of the Infinitive: free exercises and answers to check your result.

Exercise 1
Define the forms of the Infinitive (Passive or Active; Indefinite, Continuous, Perfect or Perfect Continuous) in the following sentences.

1. I want to see your design.
2. It can be done.
3. The mistake must be found.
4. We knew him to be working in the room.
5. They are likely to be being served now.
6. I remember to have seen her somewhere.
7. We thought the mistake to have been found.
8. He must have been working all night.
9. She appeared to have been leading a very busy life before.
10. It�s nice to be sitting here with you.
11. It�s good to have finished work for the day.
12. I�m sorry not to have come on Friday.
13. I appear to have made a small mistake.
14. I didn�t expect to be invited.
15. There is a lot of work to do.
16. There is a lot of work to be done.

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