Exercise 4: Sentence transformation into passive voice. 1. They haven't decided anything yet. 2. The crowd was slowly filling the new stadium. 3. Someone has suggested that the shop should close. 4. Dad used a knife to open the window. 5. The waitress will bring you your drinks in a minute 6. Nobody ever heard anything of John again. 7. People asked me the way three times 8. Lots of people had parked their cars on the pavement. 9. The helpers have not packed the boxes yet. 10. They are still preparing the food. 11. They will launch the new ship next week.