代词——双重所有格
物主代词不可与 a, an, this, that, these, those, some, any, several, no, each, every, such, another, which等词一起前置，修饰一个名词，而必须用双重所有格。
公式为：
a, an, this, that +名词+of +名词性物主代词。如：
a friend of mine.
each brother of his.
代词——反身代词
1) 列表
I you you she he
myself yourself yourselves herself himself
we they it one
ourselves themselves itself oneself
2)做宾语
a. 有些动词需有反身代词
absent, bathe, amuse, blame, dry, cut, enjoy, hurt, introduce, behave
We enjoyed ourselves very much last night. 我们昨晚玩得很开心。
Please help yourself to some fish. 请你随便吃点鱼。
b. 用于及物动词+宾语+介词
take pride in, be annoyed with, help oneself to sth.
I could not dress (myself) up at that time. 那个时候我不能打扮我自己。
注：有些动词后不跟反身代词， get up, sit-down, stand up, wake up等。
Please sit down. 请坐。
3) 作表语; 同位语
be oneself: I am not myself today. 我今天不舒服。
The thing itself is not important. 事情本身并不重要。
4) 在不强调的情况下，but, except, for 等介词后宾语用反身代词或人称代词宾格均可。如：
No one but myself (me) is hurt.
注意：
a. 反身代词本身不能单独作主语。
(错) Myself drove the car.