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1.The telephone ___________(invent) by Bell in 1876.
2.The trees may ____________(plant) in spring.
3.Teenagers should not ___________(allow) to drive.
4.English ___________(speak) in Canada.
5.Math must ___________ (study) well.
Step 2情景导入
There are many roles in our lives,Do you think teenagers should not be allowed to drive the car?
Step 3. 畅通Grammar Focus回顾语法重点.
I?don’t?think?sixteen-year-olds?should?be?allowed?to?drive.I?agree.?They?aren’t?serious?enough.Do?you?think?teenagers?should be encouraged to make their own decisions?No, I don’t agree with this. Teenagers are too young to make their own decisions. Teenagers should not be allowed to have part-time jobs. I disagree. They can learn a lot from working.Do you think we may be allowed to take some photos if we don’t use a flash? If you don’t use a flash, then it may be OK.
分角色问答并翻译表格中的句子。
讨论be allowed to do的各种句式的变化形式。并能造出相仿的句子。简要归纳被动语态的结构及用法。
Step 4
完成教材4a-4c的任务
Rewrite the sentences according to the example.给出5分钟的时限，并请另4位同学在黑板上改写，全班集体核对答案。（5分钟）
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 keep teenagers away from the Internet?
Do you think teenagers___________________________?
5. Parents should give teenagers chances to make their own decisions.
Teenagers ______________________________________
用所给单词的正确形式完成4b短文。给出5分钟的时限，并请另个5位同学朗读短文，全班集体核对答案。
Should teenagers ________ (ask) to move out when they start working? In many Western 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 _____ (move) 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.
Ste5 Group work
Our school sports meeting will be held in two days. Now if you are a member of the organizers(组织者), make a list of the rules for students.
In our group, we think students should/ can/ must/ may (not) be…
______________________________________.