动词，把他们加以归纳总结，进行重点复习是十分必要的。英语中有许多短语动词在意义上是一个整体，其用法有的相当于及物动词，有的相当于不及物动词，有的兼有及物动词和不及物动词的特征。
1. 短语动词的分类
（1）动词+介词
常见的有look for, look after, ask for, laugh at, hear of 等。这类短语动词的宾语只能放在介词后。如：
Dont laugh at others.
Tom asked his parents for a bike.
（2）动词+副词
常见的有give up, pick up, think over, find out, hand in,等。这类短语动词的宾语如果是名词，既可放在副词前边，又可放在副词后边；宾语如果是人称代词或反身代词，则要放在副词前边。如：
Youll hand in your homework tomorrow.
Please dont forget to hand it in.
（3）动词+副词+介词
常见的有 go on with, catch up with等。这类短语动词的宾语只能放在介词后边。如：
Go on and Ill catch up with you in five minutes.
After a short rest, he went on with his research work.
（4）动词+名词+介词
常见的有take care of, make use of, pay attention to, make fun of 等。这类短语动词的宾语只能放在介词后边。如：
You should pay attention to your handwriting.
We should make full use of our time.
（5）动词+形容词
常见的有leave open, set free, cut open等。这类短语动词的宾语如果是名词，则宾语可放在形容词的前边，也可放在后边；宾语如果是人称代词或反身代词，则必须放在形容词前边。如：
The prisoners were set free.
He cut it open.
（6）动词+名词
常见的有take place, make friends等。这类短语动词用作不及物动词。如：
This story took place three years ago.
I make friends with a lot of people.
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