1. Why didn’t they help him?
→ Why wasn’t he helped?
2. How many games has the team played?
→ How many games have been played by the team?
3. Where do people speak English?
→ Where is English spoken?
4. Who are they keeping in the kitchen?
→ Who are being kept in the kitchen?
5. How can they open this safe?
→ How can this safe be opened?
6. What book are people reading this year?
→ What book are being read this year?
7. How did the police find the lost man?
→ How was the lost man found by the police?
8. Who looks after the children for you?
→ By whom are the children looked after?
9. How long have they waited for the doctor?
→ How long has the doctor been waited for?
10. What time can the boys hand in their papers?
→ What time can the boy’s papers be handed in?