Упражнение 1. Поставьте предложения в во и отрицательную формы, обращая внимание на особенности модальных глаголов.
1. They should prepare a dinner yesterday.
2. Students need to know this rule.
3. One should keep books in a bookcase.
4. You need to buy a new computer.
5. Tom should wash the floors now.
6. Mary will need to boil some water for us.
7. One should do this experiment well.
8. He will need to leave his notebook on the table.
9. We needed to discover a new element.
10. One should keep silence during a test.
Упражнение 2. Перепишите предложения. Подчеркните в них формы модальных глаголов. Переведите предложения на русский язык.
1. It is eleven o'clock! The children ought to go to bed.
2. She need to go to bed at eight o'clock to be up in time for the first train.
3. The first train ought to arrive at 5 in the morning.
4. Iwill need to be ready by the time you get here.
5. One should be more careful driving a car.
6. They needed to take these books yesterday.
7. I will need to come to you tomorrow.
8. We should write this test-work yesterday.
9. Ben should play football better.
10. Your friend needed to help you yesterday.
