The three cases of personal pronouns are objective, possessive, and nominative.
I, we, you, he, she, it, they are nominative cases. They are used when a personal pronoun is used as the subject of a verb or as a predicate nominative.
Me, us, you, him, her, hers, its, their, and theirs are objective cases. They are used when the noun or pronoun is used as an direct or indirect object of a verb, or as the object of a preposition.
My, mine, our, ours, your, yours, his, her, hers, its, their, theirs are possessive cases. They are used to show ownership.
One night, all the animals at Mr. Jones' Manor Farm assemble in a barn to hear old Major, a pig, describe a dream he had about a world where all animals live free from the tyranny of their human masters
Tiresias was a blind prophet that Oedipus consulted because he wanted to know who was behind Lauis's death. Because Tiresias was reluctant in sharing this knowledge, it made Oedipus angry and resulted into anger and insults. Out of anger, Oedipus accuses tiresias of being the murderer. Tiresias responded to the accusation by calling Oedipus the murderer.