1. When did they last go for a picnic?
2. How do you usually get to school?
3. What time does George usually get to work?
4. Who always drives Helen to work?
5. Did you ring up your friends yesterday evening?
6. Why didn't Fred beat the carpet last Saturday?
7. Which of your family sleeps with the window open?
8. Who swept the floor in the hall yesterday?
9. How often do the pupils stay in after classes?