Determiners could be____

Determiners are words such as the, my, this, some, twenty, each, any, which are used before nouns:

Determiners are words such as the, my, this, some, twenty, each, any, which are used before nouns. Determiners include the following common types:

Articles:a, an, the

Demonstratives:this, that, these, those

Possessives:my, your, his, her, etc.

Quantifiers:(a) few, some, many, etc.

Numbers:one, two, three, etc.

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Source: Cambridge dictionary grammar reference.