His is a possessive pronoun and can be used both as a subject phrase and an object phrase. It can't be used alone as a subject or object, his requires the noun that belongs to the word.subject: His...
You is a subjective and objective pronoun. You is also singular and plural. Examples: Subject: You can catch the six o'clock train. Object: Carl left this book for you.Plural: I made enough...
She is a singular pronoun. Put it in a sentence and you will see:"She is my sister." This sentence is talking about one person, not more than one person.