English grammar determiners

Oh, gosh. There are many ...

Articles - a, an, the

Demonstratives - this, that, these, those, which etc.

Possessive Determiners - my, your, our, their, his, hers, whose, my friend's, our friends', etc.

Quantifiers - few, a few, many, much, each, every, some, any etc.

Cardinal Numbers - one, two, three, twenty, forty

Ordinal Numbers - first, second, 1st 2nd, 3rd, last, next, etc.

Explanation:

A determiner is a word that introduces a noun. It always comes before a noun, not after, and it also comes before any other adjectives used to describe the noun. Determiners are required before a singular noun but are optional when it comes to introducing plural nouns.