1. 不定式可作主语。

10.mustn’t → can’t， 否定推测要用can’t或couldn’t, can’t + have + p.p.表示对过去事情否定推测。

第三节 动词的非谓语形式

9. I’d to → I’d love/like to.

8. will → would.

7. you read → you to read. would you like其后加不定式。

6. will → would.

5. had dove → had dived.

4. leave → let.

3. raises above → rises above, raise是及物动词， rise是不及物动词。

2. reach at → reach, reach是及物动词。