ReviseUnit3:Teenagersshouldbeallowedtochoosetheirownclothes———————————————————————教研组签字_________主备________主审_________Grade9GroupReviseUnit3:TeenagersshouldbeallowedtochoosetheirownclothesThe2ndperiodⅠ.TeachingAimsandDemands1.Reviseandconsolidateimportantexpressions2.Reviseimportanttests.(SectionA,3a;SectionB,3a)Ⅱ.TheKeyPoints1.Targetlanguagesandstructures.2.Themainexaminationpointcomments.Ⅲ.TheDifficulties1.Modalverb+be+v-ed(情态动词的被动语态)2.Thedifficulttext—Reading:ShouldIbeallowedtomakemyowndecisions?Ⅳ.TeachingProceduresStep1.GreetingsandChecktheHomework.-ExamineifSsmemorizethekeywordsinthisunit.Step2.ExplainthePassiveVoiceincludingmodalverbs.1.ThePassiveVoicecontainingmodalverbs.(含有情态动词的被动语态)2．主动语态变被动语态――“主”变＂被＂巧记口诀：宾提前变＂主＂，＂主＂变介by加＂宾＂；谓动be加done,时态用原来；时态和语态，结构合起来。情动最简单，后加be跟done；使动与感官，被动to回来。这里主要以情态动词为例，简单介绍主动语态→被动语态的变法:Teachersshouldallowstudentstochoosetheirownclothes.(“主”)Studentsshouldbeallowedtochoosetheirownclothesbyteachers.（“被”）3.含有情态动词的句型结构及例句：肯定句：主语+情态动词（can,may,must,should等）+be+过去分词+…否定句：主语+情态动词+not+be+过去分词+…疑问句：情态动词+主语+be+过去分词+…?TeenagersshouldbeallowedtosurftheInternet.TeenagersshouldnotbeallowedtosurftheInternet.ShouldteenagersbeallowedtosulftheInternet?Sixteen-year–oldsshouldbeallowedtogooutwiththeirfriendseverynight.Sixteen-year-oldsshouldnotbeallowedtogooutwiththeirfiendseverynight.Shouldsixteen-year-oldsbeallowedtogooutwiththeirfiendseverynight?Step3.KeypointsinSectionA(P18—P20)1.复合形容词/名词：sixteen-year-old/sixteen-year-oldsEnglish-Englishdictionaries2.own的用法One’sowneg:Shemakesallherownclothes.3.enough的用法.(SectionA,1c)enough修饰名词放在其前，修饰形容词或副词放在其后，eg:enoughfood/water/money;good/serious/calm/oldenoughnotoldenough=tooyoung;notcalmenough=toowild;notseriousenough=toosilly4.stop的用法(SectionA,2a)stoptodosth停下（手头正做的事）去做（另一件事）…doingsth停止（正）做（的）某事eg:Pleasestoptalkinginclass,ortheteacherwilbeangry.Let’sstoptohavearest,I’mtootired.5.so（/neither）引导的倒装句:So+主语+谓语：强调句型So+谓语+主语：A和B都一样…(其否定形式：Neither/Nor+谓语+主语，表