按要求转换句型。

1. All of my classmates like art. (改为否定句)

_____ _____ my classmates likes art.

2. No one knows about it. (改为反意疑问句)

No one knows about it, ______ _______?

3. I went to bed after I finished my homework. ( 改为同义句)

I ______ go to bed ______ I finished my homework.

4. If it doesn't rain tomorrow, we will go to the beach. (改为同义句)

_______ it    _____, we will go to the beach.

5. It's five months since the old man died. (改为同义句)

Five moths ______ ______ since the old man died.

6. I saw he was doing his homework just now. (改为同义句)

I saw  _____ ______ his homework just now.

7. We can't finish the work before ten. (改为被动语态)

The work  _____   _____ finished by me before ten.

8. The box is so heavy that I can't carry it. (改为同义句)

The box isn't ______ ______ for me to carry.

9. I haven't seen her since last week. (对划线部分提问)

 _____   _____ haven't you seen her?

10. Chinese is the most important subject of all. (改为同义句)

Chinese is more important than _____ _____ subject.