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 inswimming 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

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

be surprised at sth 对某事感到惊奇

This is nothing to be surprised at.

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

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.may/might do sth 可能做某事

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