1 . The buyers want to know our terms of payment. 2 . This is for you to decide. 3 . The plan of our work will be discussed at the meeting to be held on May 25. 4 . To walk in the garden was a pleasure. 5 . Jane remembered to have been told a lot about Mr. Smith. 6 . I felt him put his hand on my shoulder. 7 . This writer is said to have written a new novel. 8 . She seems to be having a good time at the seaside. 9 . They watched the boy cross the street. 10 . To advertise in magazines is very expensive. 11 . He proved to be one of the cleverest students at our Institute. 12 . He knew himself to be strong enough to take part in the expedition. 13 . To see is to believe. 14 . He is sure to enjoy himself at the disco. 15 . To tell you the truth, this company has a very stable position in the market.
2. Put to before the infinitive where it is necessary.
1 . My son asked me let him go to the club. 2 . You must make him practice an hour a day. 3 . She was made repeat the song. 4 . He is not sure that it can be done, but he is willing try. 5 . Let me help you with your work. 6 . She asked me read the letter carefully and write an answer. 7 . You ought take care of your health. 8 . I looked for the book everywhere but could not find it. 9 . He was seen leave the house. 10 . We had put on our overcoats because it was cold. 11 . The man told me not 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 miss the train.
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 didnt 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 dont 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?