1) 動(dòng)詞+ 不定式

　　afford　 aim　　 appear　　agree　 arrange　　ask　　　be　　　 decide　bother　　care　　choose　　 come　　　 dare　　 demand　desire　　determine　　　　 expect　　　elect　　endeavor　　　　　hope　　　　　　　fail　 happen　 help　　hesitate　learn　 long　　　mean　　 manage　 offer　 ought　　 plan　　prepare　pretend　　 promise　refuse　seem　　 tend　　 wait　　　 wish　　　　 undertake

　　舉例：

　　The driver failed to see the other car in time.

　　司機(jī)沒(méi)能及時(shí)看見(jiàn)另一輛車。

　　I happen to know the answer to your question.

　　我碰巧知道你那道問(wèn)題的答案。

　　2)動(dòng)詞+不定式 ;　動(dòng)詞+賓語(yǔ)+不定式

　　ask, beg, choose, expect , hate, help intend like, love, need prefer, prepare, promise, want, wish…

　　I like to keep everything tidy.　我喜歡每件東西都保持整潔。

　　I like you to keep everything tidy.　我喜歡你年使每件東西都保持整潔。

　　I want to speak to Tom.　 我想和湯姆談話。

　　I want you to speak to Tom.　 我想讓你和湯姆談話。

　　3) 動(dòng)詞+疑問(wèn)詞+ to

　　decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell

　　Please show us how to do that. 請(qǐng)演示給我們?nèi)绾稳プ觥?br />
　　There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有這么多的錄音機(jī)，我都拿不定主意買哪一種。

　　注意:疑問(wèn)詞帶不定式在句中作成分時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)。

　　The question is how to put it into practice.

　　問(wèn)題是怎樣把它付諸實(shí)施。