[Nouns and pronouns] 不定代名詞

單數：one, other, another, each, either, neither, less, little, much

複數：others, both, few, several, many

單/複：none, any, more, most, much, some,such

example:

I have several.

Many (people) complained about the loud noise.

little (太多字不可數)

few (可數)