不明确指代某个人某些人，某些事的代词叫做不定代词。不定代词可以代替名词和形容词，没有主格，宾格之分，在句中作主语，宾语表语，定语等。
不定代词，根据不同的标准可以由若干分类，分类如下。
一、按句法作用分类
指代作用：Everybody, everyone, everything, someone somebody something, anyone, anybody anything, no one, none, nobody nothing.
限定作用：Every， no
指代与限定作用兼有：Each other another either neither all both many,much some any few Little a few, no one.
二、按可数性分类：
可数：
Each every one another, either neither both many few a few, no one.
2.不可数：
Little， a little，Much.
3.可数与不可数兼有：
No all none some any other.
三、按构成分类
普通不定代词
Every each one other.Another either neither, no, none all both many, much few little a few, a little.
2.复合不定代词
some类：Someone somebody something.
any类：Anyone, anybody anything
every类：Everyone, everybody, everything.
no类：No one, nobody nothing none
以上就是常见的不定代词以及不定代词这不定代词的分类。希望对大家不定代词的学习有一定的帮助！
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