问题：
1. 动词不定式在句中可以充当哪些成分？
2. 动词不定式有几种时态和语态的变化?
3. 动词不定式和动名词做主语有什么区别？
4. 介词后可以用动词不定式做宾语吗？
5. 哪些动词后跟不定式做宾语补足语时要省略to?
6. 动词不定式可以做哪些状语呢？
7. 哪些情况下常用动词不定式做定语？
8. 做插入语的动词不定式常见的有哪些？
Exercise 1: 判断：下列动词不定式在句中充当什么成分？
1. I feel lucky to have won a place on this trip.
2. It (the volcano) continued to erupt for the next three days.
3. How amazing it is to see the ancient Roman city of Pompeii as it was 2,000 years ago!
4. People started to dig in the area for treasure.
5. It’s hard to imagine how this quiet volcano destroyed the whole city.
6. Tomorrow we are off to Naples to visit the museum.
7. I was too tired to eat anything we were given.
8. Loulan is believed to have been gradually covered over by sandstorms from AD200 to AD500.
9. I am so excited to be here!
10. Suddenly Polly felt a rough hand brush her face.
11. Polly heard it (the stick) hit the step.
12. Polly was beginning to feel frightened again.
13. Would you like to come in and rest for a while?
14. It gives me the chance to pay back the help that people give me when it’s sunny.
15. The shark bumps you to find out if you are fit to be eaten.
Exercise 2: 用所给动词的适当形式填空。
1. I hope ____________ (see) you next week.
2. The car needs _________________ (repair) before we go on a trip to Europe.
3. I am sorry ______________ (give) you so much trouble.
4. Don’t pretend ______________ (work) hard. Just do what you should.
5. She is said ___________________ (write) the novel about New York for years.
6. The room seems _________________ (tidy) up already.
7. The meeting is ______________ (hold) tomorrow.
8. I am happy ___________________ (work) with you for so many years.
Exercise 3: 用所给动词的适当形式填空。
9. _____________ (read) aloud is good for your English learning.
10. It’s impossible _______________ (finish) all the homework within two hours.
11. Seeing is _____________ (believe).
12. It’s a waste of time _____________ (argue) with him.
13. It’s no use __________ (discuss) with him since he has made up his mind.
14. It’s important and necessary ________ (master) a foreign language and computer skills.
15. It is my duty __________ (help) you with you English studies.
16. It takes only 2 hours _________ (arrive) in shanghai by bullet train.
Exercise 4: 翻译句子。
17. 我对该干什么感兴趣，而对如何做并不感兴趣。
I’m interested in _________________________________.
18. 他怎么也不去上学。He does everything _______________________________.
19. 我没办法只好放弃这次出国的机会。I had no choice ___________this chance to go abroad.
20. 我没有办法只好依靠自己。 I have got nothing to do ______________________.
Exercise 5:补全句子。
21. 医生劝我多休息。 The doctor advised me __________________________．
22. 我让他们参加我们的讨论。I got them _____________________ in the discussion．
23. 他们在等校长来。They are waiting for the headmaster ______________________.
24. 大家都认为Jack是个勤奋的孩子。
Everyone thought Jack _________________________________．
25. 我们相信它是真的。We believe it ____________________________.
26. 我看见那位女士锁上了门。 I saw the lady ___________________________．
27. 我们没让任何人进来。 We didn’t let anyone ____________________________．
Exercise 6: 用所给动词适当形式填空。
28. His parents died, _____________ (leave) him an orphan.
29. He rushed to the post office only ___________ (find) it was closed.
Exercise 7: 用所给动词适当形式填空。
30. The man __________________(speak) at the meeting now is from America.
31. Do you know the professor _____________(speak) at the meeting tomorrow?
32. He is the professor ______________(invite) to dinner last month.
Key：
Exercise 1: 略
Exercise 2:
1. to see 2. to be repaired/repairing 3. to have given 4. to be working 5. to have been writing 6. to have been tidied 7. to be held 8. to have been working 9. Reading 10. to finish 11. believing 12. arguing 13. discussing 14. to master 15. to help 16. to arrive 17. what to do but not how to do it 18. but go to school 19. but to give up 20. but depend on myself 21. to have some rest. 22. to join us 23. to come 24. to be hardworking 25. to be true 26. lock the door 27. come in 28. leaving 29. to find 30. speaking 31. to speak 32. invited