English Grammar: Person
First Person: I We
This pronoun is used when the subject is the speaker or the group with them.
Second Person: You
This is used when the speaking is talking about the person or people they are speaking to. In English, there is no difference between singular and plural and we use the same form whatever our relationship with the other person or people.
Third Person: He She It They
This is used when the speaker to referring to an individual or thing that is outside the conversation or communication. In the singular, we distinguish between male, female and objects, but not in the plural.