3. wish to do sth. 希望做某事
I wish to live on the moon one day.
4. help to do sth. 帮助做某事
I often help to do some chores at home.
5. hope to do sth. 希望做某事
I hope to have a good rest this weekend.
6. learn to do sth. 学会做某事
He finally learned to play the piano with the help of the teacher. 在老师的帮助下，他最终学会了弹钢琴。
7. manage to do sth. 设法做成某事
They managed to escape the fire yesterday.
8. offer to do sth. 主动提出做某事
Never offer to teach fish to swim.
9. plan to do sth. 计划做某事
He plans to travel around the world.
10. afford to do sth. 负担得起做某事（时间或金钱方面）
We can’t afford to go abroad this summer.
11. agree to do sth. 做某事
He agreed to do it at once.
12. arrange to do sth.安排做某事
I arrange to wash clothes tomorrow morning.
13. ask to do sth. 要求做某事
The boy asks to go to school by bike.
14. beg to do sth. 恳求做某事
He begged not to be put into prison.
15. care to do sth. 愿意/喜欢做某事
16. choose to do sth. 选择做某事
He chose to believe what she had said.
17. decide to do sth. 决定做某事
She has decided to travel all over the world.
18. demand to do sth. 要求做某事
19. determine to do sth. 决心做某事
He determined to learn French.
20. expect to do sth. 等待做某事
I am expecting to hear from you soon.
21. fear to do sth. 惧怕做某事
She fears to live on the mountain.
22. prepare to do sth. 预备做某事
They prepared to go hiking this Sunday.
23. pretend to do sth. 伪装做某事
She pretended not to see me.
24. promise to do sth. 答应做某事
I have promised to give the children some books.
25. refuse to do sth. 拒绝做某事