Personal pronouns are words that replace nouns and refer to specific people or things. They are classified by:
* Person:
* First person: "I" and "we" refer to the speaker(s).
* Second person: "You" refers to the person(s) being addressed.
* Third person: "He", "she", "it", and "they" refer to someone or something else.
* Number:
* Singular: "I", "you", "he", "she", "it"
* Plural: "We", "you", "they"
* Gender:
* Masculine: "He"
* Feminine: "She"
* Neuter: "It"
* Common: "They" can refer to a singular person of unknown gender, or a group of people.