1. My son asked me to let him (-) go to the club.
2. You must make him (-) practice an hour a day.
3. She was made to repeat the song.
4. He is not sure that it can (-) be done, but he is willing to try.
5. Let me (-) help you with your work.
6. She asked me to read the letter carefully and (-) write an answer.
7. You ought to take care of your health.
8. I looked for the book everywhere but could not (-) find it.
9. He was seen to leave the house.
10. We had to put on our overcoats because it was cold.
11. The man told me not to walk on the grass.
12. Have you heard him (-) play the piano?
13. You had better (-) go there at once.
14. I would rather not (-) tell them about it.
15. We shall take a taxi so as not to miss the train.
