1. It ______ rain soon. 2. You ______ not make notes in the books. 3. You ______ pay your bills in restaurants. 4. The baby is sleeping. You ______ not shout. 5. That diamond bracelet is very elegant but it ______ have cost a fortune 6. You ______ not say anything if you don't want to. 7. I can hear you quite well. You ______ not shout. 8. He has left the army and doesn't ______ to wear a uniform any more. 9. I've bought everything, so you ______ not go shopping. 10. Tim gave me a letter to post. I ______ not forget to post it.

Решение:

• 1. It must rain soon. (Предположение о ближайшем будущем)
• 2. You must not make notes in the books. (Запрет)
• 3. You must not pay your bills in restaurants. (Запрет, так как это не соответствует правилам)
• 4. The baby is sleeping. You must not shout. (Запрет)
• 5. That diamond bracelet is very elegant but it must have cost a fortune (Предположение о прошлом)
• 6. You must not say anything if you don't want to. (Запрет)
• 7. I can hear you quite well. You must not shout. (Запрет)
• 8. He has left the army and doesn't need to wear a uniform any more. (Отсутствие необходимости)
• 9. I've bought everything, so you need not go shopping. (Отсутствие необходимости)
• 10. Tim gave me a letter to post. I must not forget to post it. (Важное напоминание, обязанность)

Ответ: must, must not, must not, must not, must, must not, must not, need to, need not, must not