九年级英语Unit7period4.ppt

Grammar Focus * Should sixteen-year-olds be allowed to drive? No,because they arent serious enough Do you think teenagers should be encouraged to make their own decisions? No,I dont agree with you.Teenagers are too young to make their own decisions Should teenagers not be allowed to have part-time jods? I dissagree,They can learn a lot from working Do you think we may be allowed to take photos if we dont use a flash If you dont use a flash,then it may be OK. Do you think we may be allowed to take photos if we don’t use a flash? Teenagers should not be allowed to have part-time jobs. Do you think teenagers should be encouraged to make their own decisions? I agree. They aren’t serious enough. I don’t think sixteen-year-olds should be allowed to drive. No, I don’t agree with this. Teenagers are too young to make their own decisions. I disagree. They can learn a lot from working. If you don’t use a flash, then it may be OK. 结构: 肯定：情态动词+ be +动词的过去分词 否定：情态动词+not+ be +动词的过去分词 一般疑问句：情态动词+主语+be+动词的过去分词？ 特殊疑问句：疑问词+情态动词+主语+be+动词的过去分词？ 情态动词的被动语态 用所给词的正确形式填空： 1. Teenagers should be _________ (allow) to choose their clothes. 2. Sixteen-year-olds _____ (be) not allowed to drive. 3. He should stop _________ (wear) those silly earrings. 4. Young people need ________ (sleep) about 8 hours at least. allowed are wearing to sleep 5. We should pass the test instead of ______ (fail) the test. 6. We have a lot of _______ (rule) at school. 7. I think your father ____ (be) strict with you! 8. You have to ______ (be) 18 before you are allowed to drive. failing rules is be do social work for the community society---social I didnt eat porridge this morning I ate noodles instead I ate noodles instead of eating porridge this morning × I dont think they should be allowed to play computer games They shoul be kept away from computer games You must clean your bedroom every day. Your bedroom must be cleaned every day. 2.Parents should encourage teenagers to do social work for