Перефразируйте предложения используя инфинитив.
1. It is advisable that you should stay in bed for at least three days.
2. I have some documents that I must sign.
3. I shouldn't have believed him. It was a mistake.
4. James didn't warn us about his arrival. It was unreasonable.
5. He didn't even think of thanking his friends for their help.
6. The tea was cool and I was able to drink it.
7. I opened the said and discovered that it was empty.
8. As a specialist he is very qualified. He won't agree to these terms.
9. We waited till the rain stopped.
10. Sue is smart. She will get this position.