11. be glad/happy to do sth 高兴去做某事

　　She is happy to clean theblackboard with me.

　　be pleased to do sth高兴做某事

　　She was pleased to helpthe old man yesterday.

　　be pleased with sth 对某事感到高兴/满意

　　The teacher was pleasedwith 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 interestedin 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