Phủ định:

1. She doesn't clean the kitchen every afternoon.
2. We don't play volleyball every morning.
3. He doesn't do housework every night.
4. Mary and Peter don't go to work every day.
5. He doesn't get up at 9.00 every morning.

Nghi vấn:

1. Does she clean the kitchen every afternoon?
2. Do we play volleyball every morning?
3. Does he do housework every night?
4. Do Mary and Peter go to work every day?
5. Does he get up at 9.00 every morning?