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. begin to do sth 开始去做某事
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
