非谓语动词一、不定式1．不定式的用法(1)作主语不定式短语作主语时，往往放在谓语之后，用 it 作形式主语。To be without some of the things you want is an indispensable part of happiness.有些东西你想要而没有，这是幸福不可缺少的一部分。Isn’t it a pleasure to review what one has learned from time to time?学而时习之不亦说乎？(2)作宾语英语动词大部分即可用动名词作宾语，也可以动词不定式作宾语。Every man desires to live long ;but no man would be old.每一个都想长寿，但没有人想做老人。Some people pretended to despise the things they cannot have.吃不到葡萄说葡萄酸。注：a. 动词+疑问词+to do，相当于一个省略的宾语从句。 The students were discussing how to make their mothers happy. Can you tell me where to get to the nearest toilet.b.不定式短语作宾语时，假如还带有宾语补足语，往往把不定式短语放在宾语补足语之后，而用 it 作形式宾语。I always make it rule never to criticize or attack the government of my own country.I promised it never to beat your again.(3)作补足语Television enables you to be entertained in your home by people you wouldn’t have in your home.有了电视，你就不必让你不喜爱的人到你家里来，但可以享受他提供的娱乐。He was seen to enter the building by the back door.注：a. demand, hope, suggest 不能接不定式，只能接 that 从句。 She suggests that I open the box myself. He demands that he should be treated equally.b.感官和使役动词后接省略 to 的不定式，但是用在被动语态中 to 还原。Feel, have, hear, let, listen to, look at, make, notice, observe, see, watch 等She’s so ugly; she makes onions cry.她太丑了，甚至把洋葱都弄哭了。Take your way. Let the world talk.走自己的路，让别人说去吧。The best way a man can make his wife listen is by talking to another woman.要让妻子听你说话，屡试不爽的方法是对另一个女人说话。 (4)作定语不定式作定语，一般为后置定语。School: A good place to sell glasses for s...
