Unit7grammar.ppt

Unit7,Teenagersshouldbeallowedtochoosetheirownclothes.,Period3Grammarfocus,objectives,Tolearntouseshould+beallowedtotospeakanddiscussaboutwhatyouarenotallowedtodoAgreeanddisagree,Review,Talkwithyourclassmatesaboutyourschoolrulesbyusing“studentsarenotallowedto”.,Schoolrules,Dontarrivelateforschool.,=Studentsarenotallowedtoarrivelateforschool.,Dontruninthehallways.,Schoolrules,=Studentsarenotallowedtoruninthehallways.,Schoolrules,Donteatintheclassroom.,=Studentsarenotallowedtoeatintheclassroom.,Schoolrules,Dontlistentomusicintheclassroom.,=Studentsarenotallowedtolistentomusicintheclassroom.,Schoolrules,Dontfightwithothers.,=Studentsarenotallowedtofightwithothers.,Schoolrules,=Studentsarenotallowedtocheat.,Dontcheat.,Schoolrules,Dontwearlonghair.(boys),=Boysarenotallowedtowearlonghair.,Schoolrules,=Studentsarenotallowedtosleepinclass.,Dontsleepinclass.,主动语态变为被动语态的方法,第一步:将主动语态的宾语改为被动语态的主语；第二步:将主动语态的谓语改为“be+及物动词的过去分词”结构；第三步:将主动语态的主语改为介词by的宾语，放在谓语之后(有时可省略)。如图示：,They(主语）grow(谓语）tea(宾语）inthesouth-eastofChina.,被动语态:,主动语态:,Tea(主语）isgrown(谓语）bytheminthesouth-eastofChina.,含有情态动词的被动语态,Rewritethesentencesaccordingtotheexample.,1.Youmustcleanyourbedroomeveryday.Yourbedroommustbecleanedeveryday.2.Parentsshouldencourageteenagerstodosocialworkfortheircommunity.Teenagers_.,shouldbeencouragedtodosocial,workfortheircommunity,4a,3.CanLucydoherhomeworktomorrowinstead?Can_?,Lucyshomeworkbedonebyher,tomorrowinstead,DoyouthinkwemustkeepteenagersawayfromtheInternet?Doyouthinkteenagers_?,mustbekeptaway,fromtheInternet,5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.Teenagers_,shouldbegivenchancestomake,theirowndecisions,Fillintheblankswiththecorrectformsofthewordsinbrackets.,Shouldteenagers_(ask)tomoveoutwhentheystartworking?InmanyWesterncountries,teenagers_(allow)tomoveoutateighteen.Theirparentsbelievethattheyshould_(educate)totakecareofthemselvesfromayoungage.Thisway,whenthey_(start)workingtheycanmanagetheirownlives.However,inmostAsian,beasked,areallowed,beeducated,start,4b,societies,itisnotcommonforteenagersto_(move)out.Chineseparentsbelievethatitisbetterforchildrentolivewithparentswhocan_(take)careofthem.Buttheyoungshouldthenlookaftertheirparentsastheygetolder.ThatiswhymanyChineseadults_(continue)tolivewiththeirparents.,move,take,continue,Exercises,一、单项选择,1.Teenagers_allowedtodriveacar.A.shouldnotbeB.shouldbenotC.notshouldbeD.shouldnt2.Lindasawapenontheroad,soshestopped_itup.A.pickB.topickC.pickingD.picked,A,B,3.Yesterdaymysisterhadhercomputer_atthesupermarket.A.mendB.tomendC.mendedD.mending4.Heneverstudies.Heplayscomputergamesallday_.A.insteadB.insteadofC.howeverD.but,C,A,5.-Canyouhearme?-No,Icant.Wouldyoupleasespeak_.A.clearlyenoughB.clearenoughC.enoughclearlyD.enoughclear6.Oldpeoplemust_.A.speakpoliteB.bespokentopolitelyC.speaktopoliteD.bespokenpolitely,A,B,7.-Doyoubelievetherearealiens?-Imafraidnot.Idontthinkaliens_inspace.A.canfindB.canbefoundC.canbefoundedD.cantbefounded8.Theflowersmust_everyday.A.waterB.bewateredC.wateredD.watering,B,B,9.-Cansixteen-year-oldsdrivetheircarstoschool?-No.theyshouldnt_todrivebecausetheyarenotseriousenough.A.allowB.allowedC.beallowedD.haveallowed10.Dontworry.Thework_intwodays.A.willfinishB.isdoneC.willbefinishedD.finish,C,C,11._middleschoolstudentsallowedtousemobilephoneatschool?A.DoB.DidC.AreD.Can12.Idontthinkteenagersshouldbeallowedtodrive,becausetheyare_.A.notenoughseriousB.notseriousenoughC.tooseriousD.toserious,C,B,13.Water_intoice.A.willchangedB.mustbechangedC.sh