考研

2014年考研备考已经开始，中大网校小编特编辑了考研英语相关辅导资料，希望对您参加2014年硕士研究生考试有所帮助！！

1.不定式做主语

(1)做形式主语的代词：

不定式做主语, 通常用it充当形式主语, 把做主语的不定式短语后置。 如：

It took me only five minutes to finish the job.

To be frank, it is a great relief to have the task fulfilled in so short a time.

(2)引导逻辑主语的介词：

不定式的逻辑主语一般由介词for引导,但下列表示人的性格行为特征的形容词做表语时, 不定式的逻辑主语则由of引导：

absurd, bold, brave, courageous, careful, careless, clever, wise, foolish, silly, stupid, good, nice, kind, thoughtful, considerate, greedy, generous, honest, modest, polite, rude, cruel, selfish, lazy, wicked, wrong。如：

Experts say walking is one of the best ways for a person to stay healthy.

It's clever of you to have invented such a device.

(3)不定式做主语补足语：

掌握常用不定式做主语补足语的句型。注意不定式表示的动作发生的时间，并采用相应形式。如：

said

reported

thought

be to do sth.

believed

known

supposed

Byron is said to have lived on vinegar and potatoes.

The bank is reported in the local newspaper to have been robbed in broad daylight yesterday.

2.不定式做宾语

(1)必须接不定式做宾语的动词：

掌握要求接不定式做宾语的动词：

agree, afford, aim, arrange, appear, ask, attempt, choose, claim, decide, desire, determine, expect, fail, guarantee, hope, endeavor, intend, long, mean, manage, offer, ought, plan, pledge, pretend, prepare, promise, proceed, prove, resolve, refuse, request, swear, tend, try, venture, wait, wish。如：

Even though the children pretended to be asleep, the nurses were not deceived when they came into the room.

注意:

1)有的动词要求特殊疑问词+不定式做宾语, 这类动词有：

consider, discover, explain, forget, guess, know, learn, observe, remember, see, tell, understand, wonder，如：

While still a young boy, Bizet knew how to play the piano well and as he grew older, he wrote operas, the most famous of which is Carmen.

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