文档介绍：非谓语动词
找出各句的谓语动词并指出其具体形式
1. Don't teach fish to swim.
不要班门弄斧。
1
哪些是动词的谓语形式？
don't teach，谓语动词否定式
精品资料
你怎么）
不定式省略to的情况（课件和卷子）
省略to的不定式（卷子）
介词不能省（修饰time, place,way可省）（卷子）
什么情况下需用不定式做定语（卷子）
in order to, so as to, only to（卷子）
（卷子和课件）
（卷子）
（课件）
不定式的句法功能，除了谓语外，不定式可以担当句子的任何成分。
To see is to believe. 眼见为实。 (作主语和表语)
To save time is to lengthen life. (不定式短语作主语)
You should continue to learn as long as you live.
要活到老学到老。(不定式短语作宾语)
She usually has a lot of meetings to attend in the evenings. 她晚上经常有很多会要开。(不定式短语作定语)
To /In order to do a good job, we must have the right tools. 要干好活工具得用对。(不定式短语作目的状语)
He got up early in order to/ so as to catch the first bus. (不定式短语作目的状语)
I didn't expect you to arrive so early.
我没想到你来得那么早。(不定式短语作宾语补足语)
不定式的省略
① 两个并列的不定式由and或or连接时，省略后面的不定式中的to。
如： I want to finish my homework and go home.
I'm really puzzled what to think or say.
特例：To be or not to be，that is a question.
He is better to laugh than to cry. (表示对比)
② 句中含有动词do时，but，except，besides等后面的不带to。即“前有do，后省to”。如：
He didn't do anything but complain.
在 cannot but, cannot choose but, cannot help but , could not but ,could not help but 的后面不带to , 它们的意思都是“只好，只有” ,如： He could not but walk home. / It’s raining hard, I cannot help but stay at home./ I cannot but admire his courage.
不定式的复合结构 It is brave of you to do that.
It is easy for you to do that.
当下列表示人物特征的形容词同of 后的名词或代词关系密切，有意义上的主表关系时，常与o f 搭配。brave, careful, careless, clever, foolish, good, honest, kind, nice, right, wrong ,rude, stupid, silly, wise, thoughtful, etc
It was very kind of you to come to help me.
= You were very kind to come to help me.
下列表示事物性质的形容词同for后的名词或代词关系不密切，没有意义上的主表关系，但与句中的不定式结构关系密切，有意义上的主表关系，常与 for 搭配。easy, hard, heavy, necessary, impossible, possible, important, difficult, etc.
It’s hard for him to get rid of his bad habits .
= For hi