PASSIVE VOICE – MODAL VERBS 1. You must take off your shoes. . ................................................................................................................................ 2. He shouldn’t smoke cigarettes in this room. . ................................................................................................................................ 3. We could see Tom in the crowd. . ................................................................................................................................ 4. Eddie might help you if you ask him. . ................................................................................................................................ 5. We can order some lemonade at the bar. . ................................................................................................................................ 6. We have to protect our sea. . ................................................................................................................................ 7. They ought to park the car in the right place. . ................................................................................................................................ 8. You should speak English in class. . ................................................................................................................................ 9. Mary used to keep a dog. . ................................................................................................................................ 10. People would buy tickets at this booth. . ................................................................................................................................ 11. They can book rooms in advance. . ................................................................................................................................ 12. We may borrow his car for a day. . ................................................................................................................................