Aff.: It rains every day.
Int: Does it rain every day?
Neg.: It doesn't rain every day.
Aff.: Your uncle plays tennis twice a month.
Int.: Does your uncle play tennis twice a month?
Neg.: Your uncle doesn't play tennis twice a month.
Aff.: He does his homework every afternoon.
Int.: Does he do his homework every afternoon?
Neg.: He doesn't do his homework every afternoon.