将以下句子改为一般疑问句,否定句,做肯定和否定回答.快

Can they see a soccerball under the chair?
Yes, they can.
No, they can't.
They can't see a soccerball under the chair.
Does her mother watch TV in the evening?
Yes, she does.
No, she doesn't.
Her mother doesn't watch TV in the evening.