9. Раскройте скобку, употребив правильную форму инфинитива:

1. He knows mathematics much better than he did last year. He must (to work) a lot in summer. 2. Your mathematics is very poor. You can’t (to work) at it in summer. 3. Where is Peter? – Oh, he may (to read) in the library. He is getting ready for his examination in English. 4. I presume it must (to throw down) by one of the thieves as he took to his heels.

10. Раскройте скобки, употребляя нужную форму инфинитива (Indefinite или Perfect, Active или Passive):

а) после модального глагола “can”:

1. It’s so absurd. I can’t even (to be) angry with you. 2. I could never really (to understand) what she saw in John. 3. It always amazed me that he of all people could (to bring) himself to marry a foreigner. 4. They were strangers, they couldn’t (to expect)to understand that father was the very last person for such a thing to happen to. 5. He decided that with great care it could (to do). 6. The boots of Albert could (to hear) racing upstairs. 6. Ada was worried, but I couldn’t (to bring) myself to treat the matter seriously. 7. Some method of communication can (to work) out.

б) после модального глагола “may”:

1. On the last morning, on their way to breakfast she had been asked if the room might (to clean). 2. They might suddenly (to walk) through the wall by mistake into a different flat altogether. 3. They might by now (to find) the boy. 4. On Friday letters might (to expect) to arrive at Tommy’s rooms. 5. Marie: “He never came in to say “good-morning” to me before he went to the city”. John: “He may (to be) in a hurry”. 6. Possibly she may (to bring up) badly – but that’s the only excuse I can find for her.

в) после модального глагола “must”:

1. Oh, Constance, what must you (to think) of me? 2. This thing must (to place) in his hands without a moment’s delay. 3. Ann must (to be) quite lovely as a girl. 4. I felt that this sort of thing must (to stop) at once. 5. He must (to warn) that he will get little thanks from the critics. 6. I had become careless. Something, a letter, perhaps, must (to find).

г) после модального глагола “should”:

1. I must leave it up to you whether this information should not (to make) public. 2. Despite these complications we should (to have) the parents abroad in three hours. 3. They have a wonderful language. It should (to know) widely. 4.When a man is old enough to do wrong he should (to be) old enough to do right also. 5. I don’t believe they are right who say that the defects of famous men should (to ignore); I think it is better that we should (to know) them. 6. It has been said that good prose should (to resemble) the conversation of a well-bred man. 7. There were so many reasons why she should (to be) sometimes unhappy. They could not meet often.

д) после эквивалента модального глагола “to have to”:

1. We got poorer and poorer. The house had (to sell). 2. But everything in this life has (to pay) for, and love too has (to pay) for. 3. I feel so ashamed of my wretched health. It’s so-so humiliating always to have (to ask) people to be doing things for me. 4. It’s not untrue but … is this really what he has (to say)? There is plenty of personal dirt we can throw into the next election; we don’t like it, we’ve never do it, but if we have (to do) it, we will. 6. This is the game of life and we all have (to play) it sooner or later. 7. One has (to make) the best of things.