2. (-) The students don't often play table tennis on Saturdays morning.

(?) Do the students often play table tennis on Saturdays morning?

3. (-) Anna doesn't always eat some orange juice after lunch.

(?) Does Anna always eat any orange juice after lunch?

4. (-) My father doesn't rarely clean the house on weekends.

(?) Does your father rarely clean the house on weekends?

5. (-) The school bus doesn't usually arrive at half past eight.

(?) Does the school bus usually arrive at half past eight?