1.He and I have a volleyball.
否定句：He and I don't have a volleyball.
一般疑问句:Do he and I(we) have a volleyball?
肯定回答:Yes,he and I(we) do.
2.Tony watches TV every day.
否定句：Tony doesn't watch TV every day.
一般疑问句:Does Tony watch TV every day?
肯定回答:Yes,he does.