Exercise 4 : Change the following sentences into the Passive : 1. Peter is writing a letter to his friend. 2. My friends are making some phone calls in the evening. 3. Bad drivers are causing many accidents. 4. Alex was preparing that report when I came to see him. 5. Two horses were pulling the farmer’s wagon. 6. Waiters and waitresses were serving customers. 7. The President was signing those papers. 8. Was Mary helping her mother in the kitchen at that time? 9. The children are eating a lot of sweets. 10. What were you doing at this time yesterday? 11. People play football all over the world. 12. They have just told us about that. 13. My sister is writing that note in her notebook. 14. They keep those maps on the shelves for reference. 15. They gave my little sister a ticket. 16. They have invited all the members to the party. 17. They have put up banners and flags in the square. 18. The head teacher was making the announcement. 19. The tamer ordered the lion to lie on the floor. 20. They make Honda cars in Japan