what is a subject pronoun

A subject pronoun is a type of pronoun that takes the place of a noun as the subject of a sentence. It is used to refer to the person or thing that performs the action of a verb. Subject pronouns can be singular or plural, and they can be masculine, feminine, or gender-neutral. Examples of subject pronouns include "I," "you," "he," "she," "it," "we," "they," and "who"