凡不是用来指明代替任何特定名词的代词叫做不定代词。不定代词代替名词或形容词，在句中可用作主语,宾语，表语和定语。
1.不定代词包括：
all , both, every, each, either, neither, more, little, few, much, many, another, other, some, any , one, no 以及some, something, anything, everything, somebody, someone, anybody, anyone, nothing , nobody, no one, none, everybody, everyone.等。
2.不定代词用法：不定代词+(of +限定词)+名词
注意：