Вставьте am,is, или are (вместо точек) i .. a girl he..my brother we..friends she..my sister they..cowboys

I am a girl.
He is my brother.
We are friends.
She is my sister.
They are cowboys.

Is ставится перед he, she, it.
Are перед you, we, they.
Am перед I.

I am a girl.He is my brother.We are friends.She is my sister.They are cowboys