SectionAPeriod1(1b—2b)Teenagersshouldbeallowedtochoosetheirownclothes.Learningtargets(学习目标)Whatshouldstudentsbeallowedtodoatschool?Whatshouldn’tstudentsbeallowedtodoatschool?SchoolrulesDon’tarrive/belateforschool.=Studentsshouldn’tbeallowedtoarrive/belateforschool.SchoolrulesDon’teatintheclassroom.=Studentsshouldn’tbeallowedtoeatintheclassroom.Don’truninthehallways.Schoolrules=Studentsshouldn’tbeallowedtoruninthehallways.SchoolrulesDon’tlistentomusicintheclassroom.=Studentsshouldn’tbeallowedtolistentomusicintheclassroom.SchoolrulesDon’tfightwithothers.=Studentsshouldn’tbeallowedtofightwithothers.Schoolrules=Studentsshouldn’tbeallowedtocheat.Don’tcheat./tʃi:t/Anncantakegoodcareofthecats.ThecatscanbetakengoodcareofbyAnn.情态动词(modelverb):S+can/must/should等情态动词+be+过去分词句式结构示例肯定句主语+情态动词+be+done(+by…)青少年应该被允许去购物。否定句主语+情态动词+not+be+done(+by…)单词不能被用在这个句子中。一般疑问句情态动词+主语+be+done(+by…)?工作今天必须被完成吗?特殊疑问句特殊疑问词+被动语态的一般疑问句?谁应该被允许开车?Teenagersshouldbeallowedtogoshopping.Thewordcan’tbeusedinthissentence.Musttheworkbefinishedtoday?Whoshouldbeallowedtodrive?Weshouldcleantheclassroomeveryday.Theclassroomshouldbecleaned(byus)everyday.Theclassroomshouldn’tbecleaned(byus)everyday.Shouldtheclassroombecleaned(byus)everyday?Studentsmustn’tsmokecigarettes.Cigarettesmustn’tbesmoked(bystudents).Cigarettesmustbesmoked(bystudents).Mustcigarettesbesmoked(bystudents)?smokeDoyouagreeordisagree?Doyouagreeordisagree?Studentsshouldn'tbeallowedtosmoke.Studentsshouldn'tbeallowedtosmoke.driveDoyouagreeordisagree?Doyouagreeordisagree?Studentsshouldn'tbeallowedtodrive.Studentsshouldn'tbeallowedtodrive.getearspiercedDoyouagreeordisagree?Doyouagreeordisagree?Studentsshouldn'tbeallowedtogetearspieced.Studentsshouldn'tbeallowedtogetearspieced.havepart-timejobsDoyouagreeordisagree?Doyouagreeordisagree?Studentsshouldn'tbeallowedtohavepart-timejobs.Studentsshouldn'tbeallowedtohavepart-timejobs.choosetheirownclothesDoyouagreeordisagree?Doyouagreeordisagree?Studentsshouldn'tbeallowedtochoosetheirownclothes.Studentsshouldn'tbeallowedtochoosetheirownclothes.ListenandcircleTfortrueorFforfalse.1.Annacangototheshoppingcenterbybus.2.Annawantstogetherearspierced.3.Annawantstochooseherownclothes.TFTFTF1bLookatthestatementsin1aandmakeconversations.Idon’tthinksixteen-year-oldsshouldbeallowedtodrive.Doyouagree?Iagree.Theyaren’tseriousenough.1cLookatthestatementsin1aandmakeconversations.Idon’tthinktwelve-year-oldsshouldbeallowedtogettheirearspierced.Iagree.It’stoosillytowearearringsintheschool.Doyouagreeordisagree?Teenagersshouldbeallowedtogooutwiththeirfriends.Sixteen-year-oldsshouldbeallowedtodrive.Fifteen-year-oldsshouldbeallowedtochoosetheirownclothes.Parentsshouldallowteenagerstomaketheirowndecisions.Parentsshouldallowsixteen-year-oldstosmoke.Parentsshouldallowfourteen-year-oldstohavepart-timejobs.WhatdoesMollythinkofKathy’sstatements?ListenandcircleAforAgree,DforDisagreeorDKforDoesn’tKnow.KathyMolly1.Sixteen-year-oldsshouldnotbeallowedtoworkatnight.2.Larryshouldn’tworkeverynight.3.Heshouldcuthishair.4.Heshouldstopwearingthatsillyearring.5.Hedoesn’tseemtohavemanyfriends.ADDKADDKADDKADDKADDK2aListenagain.WhatareKathy’sandMolly’sreasons?Numbertheirreasonsinthecorrectorder.__Itlookscool...