Rewrite the sentences in the passive.
1. The pop star sang the song.
2. The chief hasn't made dinner.
3. An explorer has found a dinosaur egg.
4. Mrs. Gates will look after the baby.
5. They won't take him home after the party.
6. Someone left the door open.
7. Jenny didn't break the window.
8. Someone is using computer.
9. His brother taught him to drive.
10. Many people speak English
11. The doctor had already told him to go on the diet.
12. The author is writing a new book.

1 The song was sung by the pop star.2 Dinner hasn't been made by the chief.3 A dinosaur egg has been found by an explorer.4 The baby will be looked after by Mrs. Gates.5 He won't be taken home by them after the party.6 The door was left open by someone.7 The window wasn't broken by Jenny.8  (The) computer is being used by someone.9 He was taught to drive by his brother.10 English is spoken by many people.11 He had already been told by the doctor to go on the diet.12 A new book is being written by the author.