動詞 - am , are , is, was, were are verb to be.
You are a boy.
Are you a boy?
He is a boy.
Is he a boy?
She is a girl.
Is She a girl?
I am late.
Am I late?
We are late.
Are we late?
You are late.
Are you late?
They are late.
Tom & I are late.
Are they late?
He was late yesterday.
We were later yesterday.