1.  Emily goes to the art club.
(-): Emily doesn't go to the art club.
(?): Does Emily go to the art club?

2. It often rains on Sundays.
(-): It doesn't often rain on Sundays.
(?): Does it often rain on Sundays?

3. Peter and his sister wash the family car.
(-) Peter and his sister don't wash the family car.
(?): Do Peter and his sister wash the family car?