Are you from England? → Yes, I am.
Is she nice? → Yes, she is.
Are the friends at school? → Yes, they are.
Is the dog in the garden? → Yes, it is.
Are you 12? → No, I’m not.
Is your school bag black? → Yes, it is.
Is he a teacher? → Yes, he is.
Are your parents from Italy? → No, they aren’t. (negative/long form)
Are we students? → Yes, we are.
Am I your friend? → Yes, you are.