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1、Unit7 Teenagers should be allowed Unit7 Teenagers should be allowed to choose their own clothes.to choose their own clothes.-大庆坪学校大庆坪学校 陈珊珊陈珊珊Grammar Focus(4a-4c)“NO!You should never be allowed to drive.”passive voice with modal verbs(含情态动词的被动语态含情态动词的被动语态)某个被动性动作所反映出的某个被动性动作所反映出的情感和态度。情感和态度。concepti
2、on(概念概念)Dictionary in school.The flowers once a day.This book by him.Our classroom every day.can be used should be cleanedmust be wateredmay be pickedFind out the basic structure of passive voice with modal verbs.含情态动词的被动语态的结构：含情态动词的被动语态的结构：canshouldmaymust+be done能被.应该被.可能被.必须被.Structure(构成构成)情态动词+
3、助动词be+及物动词的过去分词(done)I dont think sixteen-year-olds should be allowed to drive.I agree.They arent serious enough.Do you think teenagers should be encouraged to make their own decisions?No,I dont agree with this.Teenagers are too young to make their own decisions.Teenagers should not be allowed to ha
4、ve part-time jobs.I disagree.They can learn a lot from working.Do you think we may be allowed o take photos if we dont use a flash?If you dont use a flash,then it may be OK.GrammarFocusCircle the structure of passive voice with modal verbs from these sentences.My homework should be done(by me)every
5、day.My homework should not be done(by me)every day.Should your homework be done(by you)every day?肯定句肯定句否定句否定句一般疑问句一般疑问句肯定句结构：肯定句结构：My homework should be done(by me)every day.主语主语 +情态动词情态动词+be+done+(by+宾语宾语)+其它其它Sentence pattern(句式句式)否定句结构：否定句结构：My homework should be done(by me)every day.not主语主语+情态动词
6、情态动词+not+be done+其它其它一般疑问句结构：一般疑问句结构：My homework should be doneyour homeworkShould(by me)every day.(by you)?Do an exerciseAsking questions can be allowed during class.Can asking questions be allowed during class?情态动词情态动词+主语主语+be done+其它其它 Rewrite the sentences according to the example.2.Parents shou
7、ld encourage teenagers to do social work for their community.Teenagers_.3.Can Lucy do her homework tommorrow 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_.should be enco
8、uraged(by their parents)to do social work for their communitythe homework be done(by Lucy)tomorrow insteadmust be kept away from the Internet(by us)should be given chances(by their parents)to make their own decisions4akeep.away from避免接近，避免接近，远离离community社区社区make ones own decision 自己做决定自己做决定如何把主动语态变为
9、被动语态如何把主动语态变为被动语态I should do my homework every day.口诀：一断、二变、三落下口诀：一断、二变、三落下主语主语谓语谓语宾语宾语其它其它My homeworkshould be doneevery day.(by me)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 _(
10、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.B
11、ut the young should then look after their parents as they get older.That is why many Chinese adults_(continue)to live with their parents.4b.Fill in the blanks with the correct forms of the words in brackets.Please work in group and make some class rules for our class 127.Group workWe should be encouraged toWe shouldnt be allowed totake notesdrink or eat in the classroom.You can begin in this way:“After discussion,we all agree that.”Nothing can be accomplished without norms.无规矩不成方圆。无规矩不成方圆。HomeworkWrite a compositon about your class rules on the exercise book.