No, it is not a pronoun.
"has ruined" is neither a noun nor a pronoun. Both words are verbs.
The object pronoun for the noun mats (the plural form of mat) is them.example: The mats were ruined, we had to replace them.
No, because a pronoun replaces a noun; the word 'pronoun' does not replace a noun, it is a noun.
No, her is not an adverb - it is a possessive adjective (form of a pronoun). The word hers is the possessive pronoun.
No, the word "pronoun" is a noun, a word for a part of speech; a word for a thing.The pronoun that takes the place of the noun 'pronoun' is it.Example: A pronoun is a part of speech. It takes the place of a noun or another pronoun in a sentence.
His is a possessive pronoun; his can show possession for the subject or the object of a sentence. Examples: For a subject: His book was left on the bus. For an object: The rain ruined his book.
The singular pronoun in the sentence is which, an interrogative pronoun, a word that introduces a question.The pronoun 'which' takes the place of the noun that is the answer to the question, which in this case, is the word 'which'.
The word pronoun includes the word noun.
The word our is a pronoun. It means to belong to us.
The word " I " is not a preposition, it is a pronoun.
The word nobody is a pronoun, an indefinite pronoun; a word that takes the place of a noun for an unknown person.
Third person personal pronoun, feminine, accusative