In general, pronouns can be personal, indefinite, interrogative, and demonstrative. Note that there are no apostrophes used with possessive personal pronouns. Adjectives modify nouns. An adjective can modify a pronoun when it is used as a noun. Possessive pronouns can be used as adjectives.
Articles are always adjectives.
They always modify nouns. A VERB is a word that expresses action, makes a statement, or shows a link between word relationships. Verbs can be used in different ways. They can be action or linking. OR they express links and relationships.