This document discusses various quantifiers in English including all, every, most, both, neither and either. It explains that all requires a noun and can be used with plural or uncountable nouns. Most is a determiner that can be used with a noun or noun and adjective. Every indicates frequency and is used with singular countable nouns. Neither and either are used to talk about two options, while both refers to two or more things. The document also covers using none, no and any to talk about zero quantities.