英語中,動詞不定式也可認(rèn)為是一大板塊的句型,共分為四種不同的表現(xiàn)方式：
A類：標(biāo)準(zhǔn)式
1. want to do... 2. like to do...
3. stop to do... 4. have to do...
5. used to do... 6. happen to do...
7. fail to do... 8. decide to do...
9. plan to do... 10.ought to do...
11.start to do...12.forget to do...
13.learn to do...14.remember to do...
15.need to do... 16.regret to do...
17.try to do...18.begin to do...
19.hope to do... 20.be likely to do...
21.be able to do...22.be willing to do...
23.be going to do..24.be about to do..
B類：加賓語式
1.ask sb. to do... 2.decide sb.to do...
3.help sb. to do.. 4.want sb. to do...
5.teach sb. to do..6.like sb. to do...
7.invite sb. to do.8.tell sb. to do...
9.inform sb. to do.10.order sb. to do...
C類：省略 to 的動詞不定式
1.let sb. do...2.feel sb. do...
3.see sb. do...4.make sb. do...
5.help sb. do... 6.hear sb. do...
D類：形式主語 + 動詞不定式
1.It is easy for sb. to do...
2.It is difficult for sb. to do...
3.It is important for sb. to do...
4.It is necessary for sb. to do...
5.It is useful for sb. to do...
例句：
1.Most of the parents want their kids to study hard at school.
2.If you have any problem,please let me know.
3.It is important for human beings to stop the pollutions all over the world.
4.My father made me do a lot of labour work when I was young.
5.I asked the boy not to play too much vedio game at home.
6.Let's stop here to have a rest for a while.