we are piaying basketball怎么改成否定句

we are piaying basketball怎么改成否定句 He is piaying football改成否定句 We can play basketball.这句话怎么改成否定句?这句话是什么时态? we have a basketball.怎样改成疑问句和否定句 Both Tom and Peter like piaying soccer 改成否定句. let's play basketball ,shall we ?怎么变成否定句? The boy is piaying basketball的否定句 肯定回答 否定回答 一般疑问句 We are in Class One.改成否定句 The pupils are piaying football.改为否定句 The childern are piaying on the piayground否定句 we play basketball on sundays.否定句 We are right.改成否定句和一般疑问句并作否定回答.就是3句,