Помогите сделать д/з

Попробуй это:
He is a doctor. - Is he a doctor? - He is not a doctor.
They are our friends. - Are they our friends? - They are not our friends.
She is cooking dinner. - Is she cooking dinner? - She is not cooking dinner.
We are playing soccer. - Are we playing soccer? - We are not playing soccer.
It is raining outside. - Is it raining outside? - It is not raining outside.