代词
代词是代替名词的一种词类。大多数代词具有名词和形容词的功能。 代词包括人称代词、物主代词、反身代词、不定代词等。
一、人称代词
人称代词，物主代词和反身代词的形式变化表如下：
例如：
He is my friend. 他是我的朋友。
Is that bike yours? Yes，it's mine. 那辆自行车是你的吗? 是的，那是我的。I have lost my dictionary. Please lend me yours. 我的字典丢了，请把你的借我好吗？ Take good care of yourself. 好好照顾你自己。
反身代词常见短语：
help oneself (to) 随便用……
enjoy oneself 玩得高兴hurt oneself 伤害自己teach oneself 自学
get dressed oneself 自己穿衣
seat oneself 就坐
二、不定代词
(1) some 和 any
some 一般用于肯定句中。用于疑问句中表示希望得到对方肯定回答。
any 用于否定句和疑问句中。 用于肯定句中，此时表示“任何”。例如：She wants some chalk.
She doesn’t want any chalk.
（2）both,neither,either,all 与 none both 两者都neither 两者都不
either 两者其一
all ≥三者都
none 都不
例如：
There are two answers to the questions.Either is correct. There are two answers to the question.Neither is correct. We all answer the question.But none is right.
（3）复合不定代词表示人的不定代词:somebody, someone, anybody, anyone, nobody, no one, everybody, everyone
表 示 物 的 不 定 代 词 ： something,anything,nothing, everything 例如：
Everyone knows the thing. Have you see anyone famous? Do you have anything to say?
(4) other,the other,others,the others,another
例如：
Do you have any other questions?
He has two daughters. One is a nurse, the other is a worker. Two boys will go to the zoo, and the others will stay at home.
