(
课件网) Unit 7 Teenagers should be allowed to choose their own clothes. Section A Grammar Focus-4c Review Talk with your classmates about your school rules by using “students are not allowed to…”. Don’t arrive late for school. = Students are not allowed to arrive late for school. Don’t run in the hallways. = Students are not allowed to run in the hallways. School rules Don’t eat in the classroom. = Students are not allowed to eat in the classroom. School rules = Students are not allowed to sleep in class. Don’t sleep in class. I don’t think sixteen-year-olds I agree. They aren’t should be allowed to drive. serious enough. Do you think teenagers should be No, I don’t agree with encouraged to make their own this. Teenagers are too decisions young to make their own decisions. Teenagers should not be allowed I disagree. They can learn to have part-time jobs. a lot from working. Do you think we may be allowed If you don’t use a flash, to take some photos if we don’t then it may be OK. use a flash Grammar Focus Review 一般现在时的被动语态: 主语+am/is/are+过去分词（ + by…) 一般过去时的被动语态: 主语+was/were+过去分词（ + by…) 定义 含情态动词的被动语态用来说明某个被动性动作所反映出的感情和态度。初中阶段的常见情态动词有：can, may , need , must , should等。谓语部分含有情态动词的被动语态的构成是： 主语+情态动词+be+过去分词。 句式 结构 示例 肯定句 主语+情态动词+be+及物动词的过去分词(+by…) Teenagers should be allowed to go shopping. 否定句 主语+情态动词+not+be+及物动词的过去分词(+by…) The word can’t be used in this sentence. 一般疑问句 情态动词+主语+be+及物动词的过去分词(+by…) Must the work be finished today 特殊疑问句 特殊疑问词+被动语态的一般疑问句？ Who should be asked for help 含有情态动词的被动语态 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 _____ _____ . should be encouraged to do social work for their community 4a 3. Can Lucy do her homework tomorrow instead Can _____ _____ Lucy’s homework be done by her tomorrow instead Do you think we must keep teenagers away from the Internet Do you think teenagers _____ _____ must be kept away from the Internet 5. Parents should give teenagers chances to make their own decisions. Teenagers _____ _____ . should be given chances to make their own decisions 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 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 be asked are allowed be educated start 4b societies, it is not common for teenagers to _____(move) out. Chinese parents be ... ...
