Упражнение 3. Вставьте подходящий модальный глагол (must / can / need) 1. Sonia ______ practise so much if she wants to take part in the marathon. 2. If you want to improve your English, you ______ work very hard. 3. You ______ not come to help them tomorrow: the work is done. 4. You ______ not change the whole text as the beginning is all right. 5. John ______ not tell us the rules of the game: we know them. 6. We ______ not afford to pay the bill. 7. It is already six o'clock. We ______ hurry if we don't want to be late. 8. She ______ decorate a room nicely. 9. You ______ take care of your parents. 10. We ______ stay with my brother when we are in Paris.

Решение:

1. Sonia must practise so much if she wants to take part in the marathon. (Необходимость)
2. If you want to improve your English, you must work very hard. (Необходимость)
3. You need not (or don't have to) come to help them tomorrow: the work is done. (Нет необходимости)
4. You need not (or don't have to) change the whole text as the beginning is all right. (Нет необходимости)
5. John need not (or doesn't have to) tell us the rules of the game: we know them. (Нет необходимости)
6. We cannot (or can't) afford to pay the bill. (Невозможность/нехватка средств)
7. It is already six o'clock. We must hurry if we don't want to be late. (Необходимость)
8. She can decorate a room nicely. (Способность)
9. You must take care of your parents. (Моральная обязанность/необходимость)
10. We can stay with my brother when we are in Paris. (Возможность)

Ответ: 1. must, 2. must, 3. need not, 4. need not, 5. need not, 6. cannot, 7. must, 8. can, 9. must, 10. can.