VII. 1. Why did you have to go to the police station last week?
2. when must they leave?
3. how long does Jane have to go away?
4. how often ought I to practice English?
5. what time do you have to go home?
6. why mustn't children see that film?
7. where will he have to go to for a few days?
8. what should I do to help homeless people?
VIII.
1. we don't go to school on Saturdays
2. they usually hold a party on New Year's Eve
3. i am going to see Joanna at lunchtime
4. last night she came home between 10.30 and 11 o'clock
5. jazz became popular in the United States in the 1920s
6. I will call you on Friday afternoon at about 2.30
7. the first man walked on the moon on 21 July 1969
8. i used to stay on a farm with my grandparents and my parents
