20. нужно ответить на вопросы 3 класс is he is she plaing сhess? (+) are you are they sleeping? (+) are we doing

No, he isn't dancing.
Yes, she's playing chess.
No, you're not jumping.
Yes, they are sleeping.
No, we are not doing homework.

No, he is not...
Yes she is, she is playing chess.
No I am not. ...
Yes, they are. ...
No we are not. We are not doing homework.