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。
一般指的是anybody,everybody,nobody,anyone, someone, everyone,no one, 及whoever和person
。