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动词不定式做补语

1) 动词+宾语+不定式(to do)

常见动词：advise，allow，believe，cause，challenge，compel，declare，encourage，forbid，force，　find，hire，induce，instruct，invite，like，order，permit，persuade，remind，request，require，select，send，suppose，tell，train，urge

例句：

a.　Father will not allow us to play on the street.

父亲不让我们在街上玩耍。

b.　We believe him to be guilty.

我们相信他是有罪的。

2) to + be 的不定式结构，作补语的动词。

常见动词：Acknowledge,　believe,　consider,　think,　declare(声称),　discover, fancy(设想),　feel,　find,　guess,　judge,　imagine,　know,　prove,　see(理解), show,　suppose,　take(以为),　understand

We consider Tom to be one of the best students in our class.

我们认为汤姆是班上最好的学生之一。

3) to be +形容词

常见动词：Seem,　appear,　be said,　be supposed,　be believed,　be thought,　be known,　be reported,　hope, wish,　desire,　want,　plan,　expect,　mean…

The book is believed to be uninteresting.

人们认为这本书没什么意思。

4)　there be+不定式

常见动词：believe,expect,intend,like,love,mean,prefer,want,wish,undrstand

We didn't expect there to be so many people there.我们没料到会有那么多人在哪里。

有些动词需用as 短语做补语，如regard,think believe,take,consider.

We regard Tom as our best teacher.　我们认为汤姆是我们最好的老师。

Mary took him as her father .　玛丽把他当作自己的父亲。

5)秃头不定式作补语

秃头不定式， 即不带“to”的不定式，其语法功能一般在句子中作宾语的补语(宾语补足语)。

用秃头不定式作宾语补足语的常用动词如下：

口诀：“五看、三使役“，“两听、一感”要记住，若是“宾补”变“主补”，主补“to”字不能无。动词let属例外，其宾补/主补“to”均无。说明：

五看-----see/watch/notice/observe/look at;三使役-----have/make/let;两听-----hear/listen to;一感-----feel。

例句：I often see him go to school on foot.(秃头不定式作宾语补足语) He is often seen to go to school on foot.(不定式作主语补足语，要带“to”) Let him try again.---- He is let try again.(let的主补与宾补均用秃头不定式)