德一教育—让优秀成为一种习惯九年级英语
初中英语非谓语动词的用法
一、非谓语动词的种类
非谓语动词，顾名思义，即不能作句子的谓语用的动词，也称动词的非限定形式。主要分为动词不定式，现在分词，过去分词和动名词四种，非谓语动词也有动词的特征，可有自己的状语和宾语。
二、动词不定式
动词不定式是动词的一种非限定形式，有加“to”和省to两种形式，可以在句中作主语、表语、定语、宾语，宾语补足语、状语等成份。
1、动词不定式作主语。
To complain too much isn’t a good thing.
注：（1）不定式作主语，整个结构看成一个整体，谓语用单数形式，还可用it作形式主语而把不定式放于句末，保持句子平衡。如
It takes me two hours to finish my English homework.
It’s difficult to Learn English Well.
(2)不定式作主语有两种特殊结构，一般认为是由for 或of引导其逻辑主语，如
It’s important for us learn a foreign language.e.
It’s clever /foolish/polite/careful/careless of you to do that.
2、动词不定式作表语。
My job is to feed animals.
3、动词不定式作宾语
I hope to see my pen friend as soon as possible.
I found it difficult to get on with him.(it为形式宾语，真正宾语为不定式)
注：不定式有时与疑问句where, how, what, which, when, who 等连用，作动词的宾语。
如： What to do
I don’t knowHow to do it
Where to go
He gave a talk on how to study English Well.
4、不定式作定语
Would you like something to drink /to read/to eat?
I have something important to tell you.
5、不定式作宾语补足语。分省“to”和加“to”两种。
Ｗe didn’t expect him to be the winner.(加to)
I often saw him go to the cinema last year.(省to)
Please let the boy come in.（省to）
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