1.It's time for sb to do sth 是某人做某事的时候了

It's time for us to have dinner。

2.keep (on)doing sth 坚持做某事(常考)

John always kept (on) asking questions。

keep sb doing sth 让某人做某事(常考)

Don't keep me waiting。

keep sb from doing sth 阻止某人做某事(常考)

He keeps her from cutting the tree。

keep sb/sth +adj 使某人保持……的状态

Washing your hands keeps you healthy。

3.learn to do sth 学做某事

Ilearn to play football.

learn sth from sb 向某人学习

I learn the spirit from him

4.like to do/doing sth 喜欢做某事

like sb to do sth 喜欢某人做某事

She likes swimming./She likes to swim this afternoon。

5. prefer to do sth rather than do sth 宁愿……而不愿……(常考)

I would prefer to spend the weekend at home rather than drive out。

prefer doing sth to doing sth 喜欢做……胜过做……

I prefer reading books to going shopping. 比起购物来，我更爱读书。

preferto do sth 喜欢(爱)做某事

6. refuse to do sth 拒绝做……

I refuse to answer that question。

7. remember/forget to do sth 记得/忘记做某事(没有发生)

Please do remember to post a letter forme。务必记得帮我寄信。

remember/forget doing sth 记得/忘记做过某事

I remember telling you the news before。我记得曾经告诉过你这个消息。

8. see sb do sth 看见某人做某事(结果)

see sb doing sth 看见某人正在做某事(正在进行中)

be seen to do sth 做某事被看见

I saw them play football last weekend。

I saw her cleaning the classroom。

I saw him get on the bus.= He was seen to get on the bus。

9. something to eat/drink 一些吃/喝的东西(词不定式放在something等后修饰这些词)

I need something to eat. 我要一些吃的东西。

10. be frightened to do sth 害怕去做某事

Sam is frightened to ride a horse。

11. be glad/happy to do sth 高兴去做某事

She is happy to clean the blackboard with me。

be pleased to do sth高兴做某事

She was pleased to help the old man yesterday。

be pleased with sth 对某事感到高兴/满意

The teacher was pleased with my answer.

12.be interested in sth/doing sth 对某事感兴趣/对做某事感兴趣

She is interested in swimming in the river。

My btother is interested in Chinese。

13. be/get ready for/to do sth

be ready for 为某事做好了准备

We are ready for the exam。

be ready to do sth 为做某事做好了准备

We are ready to have a birthday party for her。

get ready for sth为某事在做准备

We are getting ready for the exam。

14. be surprised to do sth 对做某事感到惊奇

be surprised at sth 对某事感到惊奇

This is nothing to be surprised at。

I'd be surprised to see him on such an occasion。

15. be worth doing sth 值得做某事(worth 后接动词-ing形式，常考)

It was too remote to be worth thinking about。

16. 开始去做某事begin to do sth begin/start to do/doing sth

When do children begin to go to school?

17. can/be able to afford (to buy) sth 有能力负担(购买)……

At this rate we won't be able to afford a holiday。

18. can/may/must do sth could/would/should/might do sth

We may come at another time。

19. can't wait todo sth 迫不急待地去做某事

I can’t wait to hear the news。

20. decide to do sth 决定去做某事

make up one's mind to do sth 下决心去做某事(常考)

make a decision to do sth 对做某事作出决定

What do they decide to do?

I have made up my mind to go with him

21. deserve to do sth 值得/应该做……

We must admit that she did deserve to win。

22. encourage sb to do sth 鼓励某人去做某事

Encourage them to do some other helpful recreations。

23. enjoy doing sth 喜欢去做某事

I enjoy reading the story book

24. expect (sb) to do sth 期望去做某事

Don't expect him to help you。

25. fail to do sth 做某事失败

succeed doing sth 成功做了某事

If you don' t work, you willfail to pass the exam。

26. finish doing sth 做完某事(后接动词-ing形式)(常考)

After finish doing your homework, you can have a rest。

27. follow sb to do sth 跟随某人去做某事

Follow me to read the new words。

28. get sb to do sth / make sb do sth/ let sb do st 让某人做某事(后接动词原形)

Her jokes made us laugh。

29. get/have a chance to do sth 得到一个做某事的机会

I'm very happy to have a chance to visit your school。

30. give/pass/show/lend/sell sb sth/sth to sb

buy/get/bring sb sth/sth for sb

Please give me a piece of paper。

I bought him a drink in return for his help。

31. go on to do sth /go on doing sth 继续做事(常考)

Go on doing the exercise after a short rest。

32. hate to do/doing sth 讨厌/不喜欢做某事

Ihate to tell the news to you。

33. have fun doing sth 做某事很有趣

Have fun getting to know each other。

34. have problems doing sth 做某事遇到困难

Many people have problems getting to sleep at night。

35. have sb do sth/have sth done 让某人做某事

This is the best work you have ever done。

36. hear sb do sth 听到某人做某事(后接动词原形，常考)

hear sb doing sth 听到某人正在做某事(常见)

I heard someone laughing。

37. help to do sth 帮忙做某事

help sb (to) do sth 帮助某人做某事

I'll help you clean the room。

38. hope/wish to do sth 希望做某事

wish sb to do sth 希望某人做某事

I wish to take this opportunity to thank you all。

39. It seems that 这像是……(后接从句)

seem to do sth

seem +adj

It'seems that you are lying。

Does that seem to make sense?

40. It's + adj+(for sb) to do sth.

It's+adj +(of sb) to do sth

It's glad for him to hear the news.

41. spend some time (in)doing sth /on sth 花费时间做某事(注意动词要用ing形式)(常考)

I spent 2 hours on homework.= I spent 2 hours in doing homework。

spend some money on sth/doing sth 买……花了多少钱

I ofen spend some money on the book. I ofen spend some money buying the