1.
I`m a boy, aren`t I?
I`m not a girl, am I?
2.
You are tired, aren`t you?
You`re not fresh, are you?
We are friends, aren`t we?
We`re not enemies, are we?
They are at the beach, aren`t they?
They`re not at home, are they?
3.
He is joking, isn`t he?
He`s not serious, is he?
She`s a girl, isn`t she?
She`s not a boy, is she?
It`s a dog, isn`t it?
It`s not a cat, is it?