Unit 7Teenagers should be allowed to choose their own clothes. Section A 3Grammar Focus-4cDo your parents allow you to watch TV at home? Yes, they do. I think you may be allowed to watch TV on weekends.But you may not be allowed to watch TV on school days. Lead InDo your parents allow you to exercise?Yes, they do. You should be allowed to exercise. Because you can relax rerel yourself . Do your parents allow you to smoke?No, they don’t. You must not be allowed to smoke. It is bad for you. Do your parents allow you to drive?No, they don’t. You can not be allowed to drive. You are too young. Do your parents allow you to choose yourown clothes?No, they don’t. You should be allowed to choose your own clothes.You’re no longer a kid. ◆ 温故 ◆ 在英语中，动词有两种语态，即主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。在前面两个单元我们已经学习了一般现在时的被动语态和一般过去时的被动语态，它们的结构为：are/ is +及物动词的过去分词, were/ was+及物动词的过去分词。含有情态 |
