Rewrite the sentences with positive,negative or question form.

1. I studied hard yesterday.
(-)______________________
(?)______________________

2. She didn't clean her room.
(+)______________________
(?)______________________

3. Did you see Mary?
(-) ______________________
(+)______________________

4. I came home at 7 o'clock last night.
(-)_______________________
(?)_______________________

5. Did you do your homework?
(-)________________________
(+)________________________