You are busy. Are you busy?
Ken is a tall boy. Is Ken a tall boy?
They are high school students. Are they high school students?
That is your house. Is that your house?
We are happy. We aren't happy./We are not happy.
Mike is a good tennis player. Mike isn't a good tennis player./Mike is not a good tennis player.
I am free. I'm not free./I am not free.
Emi is a girl with long hair. Emi isn't a girl with long hair./Emi is not a girl with long hair.