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1、Unit 7Teenagers should be allowed to choose their own clothes.Period 1Parents should allow teenagers to go out with their friends.Parents should allow sixteen-year-olds to drive.Parents should allow fifteen-year-olds to choose their own clothes.Teenagers should be allowed to go out with their friend
2、s.Sixteen-year-olds should be allowed to drive.Fifteen-year-olds should be allowed to choose their own clothes.Are they good students?They are breaking the school rules.What can/cant you do in our school?Students should not be allowed to arrive late for class .School rules :Students should not be al
3、lowed to listen to music in the classroom .School rules :step on the grassStudents shouldnt be allowed to step on the grass .School rules :Students shouldnt Students shouldnt be allowed tobe allowed to smoke . smoke .School rules :draw on the wallStudents shouldnt be allowed to draw on the wall.Scho
4、ol rules :Students shouldnt be allowed to fight .School rules :Students shouldnt be allowed to take a mobile phone.School rules :Studentsshouldntshouldbe allowed to Students should not be allowed to take part-time jobs. Students should not be allowed to get their ears pierced. School rules :get/have
5、 sth done 使某事被做 a drivers licenseSixteen year-olds shouldnt be allowed to drive. sixteen-year-olds = sixteen-year-old children 十六岁（的人）（名词）十六岁（的人）（名词） The boy is five years old .sixteen-year-old十六岁的十六岁的 (形容词）形容词）sixteen years old 十六十六岁岁= He is a five-year-old boy.Sixteen year-olds should be allowed t
6、o choose their own clothes.Teenagers shouldnt be allowed to go out with their friends every night.go out at nighthave part-time jobsdrivechoose their own clothesListen and circle “T” or “F” .1.Anna can go to the shopping center by bus.2.Anna wants to get her ears pierced.3.Anna wants to choose her o
7、wn clothes.TFTFTFA: I dont think/think sixteen-year-olds should be allowed to get their ears pierced.B: I agree. Its too silly.C: I agree. Its too ugly.D: I agree. We are not old enough.E: I disagree. Its beautiful. Task 1:Pair work: It looks cool. Young people need to sleep. He needs to spend time
8、with friends. He needs time to do homework. It doesnt look clean.4 1 5 2 32bListen again. What are Kathys and Mollys reasons? Number their reasons in the correct order.grammar 定义定义:表示主语是动作的承受者表示主语是动作的承受者.构成构成:助动词助动词be+及物动词的过去分词。助动词有人称、及物动词的过去分词。助动词有人称、时态和数的变化。时态和数的变化。含有情态动词的被动语态：情态动词含有情态动词的被动语态：情态动词
9、be及物动词的及物动词的过去分词。过去分词。用法：当我们不知道谁是动作的执行者，或者没有必要用法：当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只强调动作的承受者时，要指出谁是动作的执行者，或者只强调动作的承受者时，要用被动语态。用被动语态。uThe telephone _(invent) by Bell in 1876.uThe trees may _(plant) in spring.uTeenagers should not _(allow) to drive.uEnglish _(speak) in Canada.uMath must _ (study) well.uWe _(need) to learn English.Finish the sentenceswas inventedbe plantedbe allowedis spokenbe studiedare neededMake a list of things teenagers should and should not be allowed to do. Discuss your list with your partner.A: Do you think teenagers should B: Yes, I do. I think /No, I dont. I think