Change these sentences into passive voice.
1. When did you send her that email?
2. Should Stella buy a new car?
3. Has Pete discovered new electronic devices?
4. Were our parents having a conversation about it?
5. Did they sing a ballad to all the guests?
6. The Government is planning a new road.
7. He had written three books before 1978.
8. John will tell the news to his family tomorrow.
9. Somebody should do the work.
10. At 6 AM my father was reading this magazine.
11. Picasso was painting Guernica at that time.
12. Has your class visited the new exhibition?
13. People speak Portuguese in Brazil.
14. Where did they invent the gunpowder?
15. Sally brought me some fresh grapes.
16. The cleaning lady has watered the plants.
17. Have they delivered the new music system yet?
18. The team won’t make a decision until the next meeting.
19. You can obtain information at the desk.
20. Tourists don’t visit museums very often.