Possessive adjectives are used to modify a noun, while possessive pronouns are used to replace a noun. For example, “my book” is a possessive adjective, while “mine” is a possessive pronoun.
Yes, technically possessive adjectives can be used with inanimate objects, but it is generally considered more natural to use phrases like “the handle of the door” instead of “the door’s handle.”
Yes, you can use possessive adjectives with singular nouns that end in “s,” but you have two options for the spelling: you can either add an apostrophe and another “s” (e.g. “Charles’s book”), or you can just add an apostrophe (e.g. “Charles’ book”).
Yes, “its” is the possessive form of “it,” while “it’s” is a contraction of “it is” or “it has.”