Упр. 1 Вставьте модальные глаголы should или must.
1. a) You ... have studied the material thoroughly. I see you have made no mistakes in the test-paper.
b) You ... have studied the material thoroughly. Then you would not have made so many mistakes.
2. a) She ... have followed the doctor's advice. She would have recovered by now.
b) She ... have followed the doctor's advice. She looks very fine.
3. a) You ... have ignored the instructions of your sports coach. That's why you lost the game.
b) You ... have followed the instructions of your sports coach. Then you would have won the game.
4. a) She ... have forgotten to take her medicine, b) She ... have remembered to take her medicine.
5. a) I ... have got on the wrong bus. I cannot recognize the places we are passing,
b) I ... have looked carefully at the number of the bus. Now I must change buses, and I am afraid I shall be late.
Упр. 2 Вставьте модальный глагол may или might. Раскройте скобки, употребляя требующуюся форму инфинитива.
1. ... I (to ask) you to take off your hat?
2. She asked me if she ... (to turn) on the light.
3. I am afraid it ... (not to stop) raining by the morning.
4. Don't scold her: the task ... (to be) too difficult for her, that's why she made rather many mistakes.
5. If they don't miss the train, they ... (to arrive) in time.
6. Why isn't he here yet? What has happened? — Oh, he ... (to miss) the train.
7. He ... (to do) very hard work. That's why he looks so tired now.
Упр. 3 Вставьте модальные глаголы may, must или need.
1.... we hand in our compositions tomorrow? — No, you ... not, you ... hand them in after Sunday.
2. ... John really do this today? — No, he ... not, he ... do it tomorrow if he likes.
3. You ... not let this cup fall: it ... break.
4. ... I help you with your coat on?
5. ... I take this book for a little while? — I am sorry, but I ... return it to the library at once.
6. Alec ... practice this sound specially, but the other pupils ... not: they all pronounce it properly.
7. They ... come at any time they like between ten and twelve in the morning, but they ... not come if they don't want to.
8. ... I go there right now? — Yes, you ....