48. Make the following sentences negative and interrogative:
1. He will have to come again. 2. My sister has to go to work. 3. They had to go back alone. 4. You have to answer all these questions. 5. I shall have to go out after all. 6. He will have to come on foot. 7. The students had to read the whole book. 8. She has to come every week. 9. He has to stay the night. 10. They had to begin very early.
49. Change the following statements into disjunctive questions:
1. I gather you have to read a lot in English. 2. He had to wait at the station till it stopped raining. 3. The work will have to be done before nightfall. 4. They usually have dinner at home. 5. She often has to go to the dentist's. 6. You have to go to school on Saturday. 7. They will have to do what they are told. 8. We have to begin before five o'clock. 9. As far as I understand you had to stay there a fortnight. 10. You look a bit tired, you've had a long walk. 11. She has to clean the house herself. 12. They had to finish that last night
50. Group the examples according to the meaning of the "be + infinitive" construction: (i) expressing a previously arranged plan (2) expressing instructions or commands:
1. I am to see him tomorrow. 2. What am I to do now? 3. You are not to communicate with anybody. 4. She said that I was not to leave the house. 5. She is to return tomorrow. 6. He said that Tom was to apologize. 7. He inquired when the secretary was to come. 8. She says I am not to lay the table before twelve o'clock. 9. At what time am I to come? 10. Something must have happened. He was to have come at eight. 11. Jim reminded me that we were to be at the station not later than seven. 12. W^hich of you is to bring the magazines and newspapers?
51. Comment on the use of must, have to, be to and translate the sentences into Russian:
1. I want you to obey her. You must do exactly as she says and make no noise. 2. "Well, what am I to do about dinner?" said Miss Handforth. "Spoil it by over-cooking or let it get cold?" 3. Randall was excited. He thought he must telephone her at once, he must see her, somehow, that very day. 4. Emma must have been very beautiful when she was young. She has a fine face. 5. "We are not to be trifled with," returned the policeman in a threatening voice. 6. You must come and have dinner with me some time. 7. He lost all his money at the races and I had to lend him five pounds. 8.1 hope I won't upset or annoy you by speaking frankly. I must have your advice. 9. Wake up, do you hear! You are to wake up at once. 10. So Frank has come? — Oh, yes; quite unexpectedly. He was to have stayed a week longer. 11. You are not to stay so late. You may leave after dinner. 12. The story was still clear in his mind. He knew what had to be done. He took his pen and wrote in his neat, steady hand the title of his new novel.
