Do you mean what pronoun forms can modify nouns? The possessive forms can do this: This is my book. html
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Anonymous Which pronouns function as adjectives?Actually, these days they are called determiners most of the time, not adjectives or pronouns. And it depends what you're calling a pronoun. The possessives have already been mentioned above (my, his, her, our, your, their), but some books list words like 'this', 'that', 'these', 'those', 'whose', 'any', 'some