Change to active voice:
1. Teachers are respected by their pupil.
2. He is seldom kept waiting by me.
3. She is praised for her charms by all.
4. Why are chocolates not liked by her?
5. By whom is the prayer-bell rung?
6. I am not cheated by your brother.
7. Are the thieves not arrested by the police?
8. Why are alms given to the poor?
9. What is wanted by you at present?
10. Is he not known to you?
11. Exercise is taken by us every morning.
12. Who is not cheated by this rogue?​