1 (1)The parents will not visit our school on the open day.
(2)Will the parents visit our school on the open day?
(3)When will the parents visit our school
2.（1）I won't meet them at two o`clock
(2) will you meet them at two o`clock
(3)When will you meet them
3.I am not going to buy a new car.
Are you going to buy a new car?
What are you going to buy?