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1、Unit 7 Teenagers should be allowed to choose their own clothes Section A3 (Grammar Focus-4c)I. Grammar Focus根据课本内容，完成下列句子。1. 我认为不应该允许十六岁的孩子开车。 I dont think sixteen-year-olds _ _ _ to drive.2. 我同意。他们还不够严谨。 I agree. They arent serious enough.3. 你认为应该鼓励青少年去自己做决定吗？ Do you think teenagers _ _ _ to make t
2、heir own decisions?4. 不，我不认同这个。青少年还太小不能自己做决定。 No, I dont agree with this. Teenagers are _ _ _ make their own decisions. 5. 不应该允许青少年去做兼职。 Teenagers _ _ _ _ to have part-time jobs. 6. 不，我不同意。他们可以从工作当中学到很多。 I disagree. They can _ a lot _ working.7. 你认为如果不用闪光灯的话可以允许我们拍照吗？ Do you think we _ _ _ to take p
3、hotos if we dont use a flash. 8. 如果不用闪光灯的话，那么拍照是可以的。 If you dont use a flash, then it may be OK.II. 含有情态动词的被动语态 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。 知新 本单元我们主要了解含有情态动词的被动语态。它的结构是什么呢？观察下面例句中含情态动词
4、被动语态的各种形式，然后补全结论中所缺的内容。【例句】1. Many trees should be planted in the mountains. 应该在山上种许多树。2. You can take this book home. （改为被动语态）This book can be taken home (by you). 3. This problem cant be worked out very easily. 这道题轻易算不出来。4. Must the work be done at once? 这项工作必须立即完成吗？【运用】. 选择最佳答案。( ) Young trees sh
5、ould _ every year. A. be plantedB. plantedC. plant. 按要求完成下列各句，每空一词（含缩写）。1. We must do the work right now. （改为被动语态） _ _ _ _ _ right now.2. Teenagers should be allowed to go out with their friends on school nights. （改为否定句） Teenagers _ _ _ to go out with their friends on school nights.III. Practice Wor
6、k on 4a.Rewrite the sentences according to the example.1. You must clean your bedroom every day. Your bedroom must be cleaned every day.2. Parents should encourage teenagers to do social work for their community. Teenagers _.3. Can Lucy do her homework tomorrow instead? Can _?4. Do you think we must
7、 keep teenagers away from the Internet? Do you think teenagers _?5. Parents should give teenagers chances to make their own decisions. Teenagers _.Work on 4b.Fill in the blanks with the correct forms of the words in brackets.Should teenagers _ (ask) to move out when they start working? In many Weste
8、rn countries, teenagers _ (allow) to move out at eighteen. Their parents believe that they should _ (educate) to take care of themselves from a young age. This way, when they _ (start) working they can manage their own lives. However, in most Asian societies, it is not common for teenagers to _ (mov
9、e) out. Chinese parents believe that it is better for children to live with parents who can _ (take) care of them. But the young should then look after their parents as they get older. That is why many Chinese adults _ (continue) to live with their parents.IV. Homework You and your friend are starting an English club. Make a list of rules about what should and should not be allowed.e.g. Members should be allowed to use dictionaries. They should only use English-English dictionaries.
