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 sth   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.

　　get ready for sth  为做某事而做准备

　　13.  be sorry to do sth   对做某事感到抱歉

　　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

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

　　16.  开始去做某事

　　begin to do sth

　　begin/start to do/doing sth

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

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

　　19.  can't wait to do sth    迫不急待地去做某事

　　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