1> 主语和宾语相同时，宾语用反身代词

1.1> enjoyed ourselves

We all enjoyed ourselves at the school festival.
校庆时我们都很开心。

1.2> shuts itself down

The computer shuts itself down.
电脑自己关机了。

1.3> oneself

One has to learn how to control oneself.
人必须学会控制自己。

1.4> 测试

Her daughter looked at her in the mirror.
她的女儿从镜子里看着她。

Her daughter looked at herself in the mirror.
她的女儿看着镜子里的自己。

2> 强调主语或宾语

• 反身代词不可当主语；

I myself saw Curry at the airport.
在机场我亲眼看到了Curry.

I saw Curry himself at the airport.
我在机场看到了Curry本人。

3> 反身代词常用短语

3.1> amused ourselves

We amused ourselves by watching the passers-by.
我们看着来往的人自娱自乐。

• passenger 乘客；

3.2> help yourself to

Please help yourself to the sald.
请自行取用蔬菜沙拉。

3.3> seated herself

She seated herself in a deck chair.
She sat on a deck chari.
她在躺椅上坐了下来。

• seat 及物动词， 后面要有宾语；
  sit 不及物动词;

4> 及物动词的2种表现

4.1> hurt

The little boy hurt himself.
The little boy was hurt.
小男孩受伤了。

• hurt - hurt -hurt;

4.2> seat

Please sit down.
Please seat yourself.
Please be seated.
请坐下。

• sit 不及物动词，down在这副词；
• set 及物动词，必有宾语，没有宾语必用被动；