Use the appropriate form of the infinitive.

1. They want (to take) to the concert by their father.
2. I am glad (to do) all the homework yesterday.
3. This plant is known (to produce) tractors.
4. He wants his son (to become) a lawyer.
5. The enemy army was reported (to overthrow) the defense lines and (to advance) towards the suburbs of the city.
6. He seems (to know) French very well: he is said (to spend) his youth in Paris.
7. You had better (to call) our distributors at once.
8. We are happy (to invite) to the party.
9. That firm is reported (to conduct) negotiations for the purchase of sugar.
10. It seemed (to snow) heavily since early morning: the ground was covered with a deep layer of snow.
11. He didn’t hear me (to knock) at the door.
12. I want (to inform) of her arrival.
13. Our sportsmen are proud (to win) the cup.
14. He is known (to work) on the problem for many years.
15. The representative of the firm asked for the documents (to send) by air mail.

4. Put “to” where necessary.

1. I think you ought … apologize.
2. Make him … speak louder.
3. Help me … carry this bag.
4. My son asked me … let him … go to the theatre.
5. I must … go to the country.
6. It cannot … be done to-day.
7. She asked me … read the letter carefully and … write an answer.
8. The man told me not … walk on the grass.
9. Let me … help you with your work.
10. She ought … take care of her health.
11. We had better … stop to rest a little.
12. I don’t know what … do.
13. He was seen … leave the house.
14. We have come … ask whether there is anything we can … do.
15. We heard the siren … sound and saw the ship … move.
16. I cannot … go there now, I have some work … do.
17. During the crossing the passengers felt the ship … toss.
18. You must make him … practice an hour a day.
19. He is not sure that it can … be done, but he is willing … try.
20. I looked for the book everywhere but could not … find it.
21. He said that she might … come in the evening.
22. She was made … repeat the song.
23. Would you rather … learn shorthand than typewriting?

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