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. How many marks does the teacher give you?
-> How many marks are you given by the teacher?
5. How can they open this safe?
→ How can this safe be opened?
6. How did the police find the last man?
→ How was the last man found by the police?
7. How long have they waited for the doctor?
→ How long has the doctor been waited for?