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Unit7Rulesroundus,1,signs,rules,/,Whatarethese?,Weusuallyusesignstotellaboutrules.,Wemustkeepquiet.,inthelibrary,Wemustwaitforthegreenlight(man).,ontheroadinthestreet,Dontwalkonthegrass.Wemustntwalkonthegrass.,inthepark,Dontrun.Wemustntrun.,intheclassroom,Dont=Wemustnot/mustnt,Dontturnright.Wemustnotturnright.,Dontenter.Wemustnotenter.,Dontridebicycles.Wemustnotridebicycles.,Dontwalkacrosstheroad.Wemustnotwalkacrosstheroad.,Dont=Wemustnot/mustnt,Lookandread,1,2,3,4,4-1,Wheredowehaverules?Doyouknow?,Wehaverulesintheclassroom.,1,2,3,4,4-2,Wehaverulesinthelibrary.,Wehaverulesontheroad.,Wehaverulesinthepark.,Pairwork,keepquietleaverubbishclimbthetreesmakeourbedsdrawonourdesksrunacrosstheroadsingloudlyatnighteatordrinkpicktheflowersdrawonourdeskslistentoourteacherswaitforthegreenmanwalkonthegrass,inthelibrary,intheclassroom,inthepark,athome,ontheroad,A:Whatmust/mustntwedowhenweare_?B:Wemust/mustnt_whenweare_.,Listenandmatch,a,b,c,d,e,f,g,h,Dontwalkonthegrass.Dontleaverubbish.Dontenter.Donteatordrink.,Dontclimbthetrees.Donttalkloudly.Dontturnleft.Dontrun.,1_2_3_4_5_6_7_8_,b,g,d,f,c,h,a,e,Pairwork,Lookattheabovesignsagain.Inpairs,discusstheirmeaningandmakeadialogue.,S1:WhatdoesSignamean?S2:WemustnotS1:Wherecanwefindit?S2:Wecanfinditinalibrary.inapark.onaroad.,a,b,c,d,e,f,h,g,Lookandread,Whatdoesthissignmean?,Wemustnoteatordrink.,Wherecanwefindit?,Wecanfinditinalibrary.,Chooseaplacefromintheclassroom,inthelibrary,ontheroad,intheparkorathome.Writemorerulesforeachplace.,Writeandsay,Rulesin/on/at_Wemust_Wemustnot_,Wemustobeytheserules!,本课重要词组,rulesroundus我们周围的规则rulesandsigns规则和标志inthelibrary在图书馆里intheclassroom在教室里ontheroad在马路上inthepark在公园里walkonthegrass在草地上走playbasketball打篮球leaverubbish扔垃圾waitforthegreenman等候绿灯,本课重要词组,11.keepquiet保持安静12.listentoourteachers听老师讲课13.drawonourdesks在课桌上涂画14.runacrosstheroad跑着过马路15.picktheflowers摘花16.climbthetrees爬树17.talkloudly大声讲话18.Dontenter.禁止进入。19.turnleft向左转20.mustnot(mustnt)dosth禁止做某事,作业,1.大声跟录音读课文和单词5遍2.家默P45-46页词组,1.intheclassroom/library/park在教室里/图书馆里/公园里ontheroad在马路上inthestreet在街道上,Languagepoints,wait等待waitfor+sb/sth等待某人/某物例题：1)Heiswaiting_thebusstop.2)Heiswaiting_usintheclassroom.,at,for,3.across/through/cross1)across/through都是介词，都有“穿过”的含义区别：across:从物体的表面穿过。例如：Wewalkacrossthefield.Icanswimacrosstheriver.through:从物体的内部通过。例如：Theyoftendrivethroughthevillage.,小试牛刀：1.Thestudentsran_theplaygroundintotheclassroom.2.Ittookthemalongtimetogo_theforest.2)across/cross都有“穿过”“通过”的含义across介词cross动词cross=go/walkacross,across,through,例题：Wemustntwalk_theroadwhentheredlightison.A.overB.throughC.acrossD.by,C,4.情态动词1）特征：有一定的含义，但不能单独做谓语，必须和行为动词或系动词连用。Wemustquietinthelibrary.Wemustkeep/bequietinthelibrary.后接动词原形。无人称和数的变化。Hemustfinishthehomework.,4.情态动词2）can的用法：表示能力ShecanspeakEnglish.表示请求或允许，相当于“may”.CanIgonow?肯定回答：Yes,youcan.否定回答：No,youcant.,3）may的用法：表示“允许”MayIaskyouaquestion?肯定回答：Yes,youmay./Yes,please.否定回答：No,youmustnt.,4.情态动词4）must的用法：表示“必须”，“应该”否定句中，mustnt表示“禁止”一般疑问句中，肯定回答用must,否定回答用neednt.MustIfinishtheworktoday?Yes,youmust.No,youneednt.,
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