2 Underline the correct word. 1 You must/needn't stop at the red light. 2 Pilots have to/can't wear a uniform. 3 You mustn't/don't have to water the plants. I'll do that. 4 He's ill. He must/has to see a doctor. 5 You mustn't/don't have to eat in the classroom. It isn't allowed. 6 He has to/can't do his homework every day. 7 Do I have to/Needn't I finish it today? 8 You mustn't/needn't wear a sweater. It's warm outside. 9 You mustn't/don't have to be late. It's an important meeting. 10 He can go out but he need/has to be back by 10:00.

Решение:

Выбираем модальный глагол, соответствующий смыслу предложения.

1. You must stop at the red light. (Обязанность, правило дорожного движения)
2. Pilots have to wear a uniform. (Обязанность, связанная с профессией)
3. You don't have to water the plants. I'll do that. (Отсутствие необходимости, так как кто-то другой сделает)
4. He's ill. He must see a doctor. (Необходимость из-за состояния здоровья)
5. You mustn't eat in the classroom. It isn't allowed. (Запрет)
6. He has to do his homework every day. (Обязанность, требование)
7. Do I have to finish it today? (Вопрос о необходимости)
8. You needn't wear a sweater. It's warm outside. (Отсутствие необходимости)
9. You mustn't be late. It's an important meeting. (Запрет опоздания)
10. He can go out but he has to be back by 10:00. (Обязанность, ограничение)