My brother has a ball. It’s his ball.
My sister has a toy. It’s her toy.
The dog is eating its food.

• He is used when talking about a boy or a man.
• His shows that something belongs to him.
• She is used when talking about a girl or a woman.
• Her shows that something belongs to her.
• It is used when talking about an object or an animal.
• Its shows that something belongs to it.