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Unit7Rulesroundus1//Whatarethese?Weusuallyusesignstotellaboutrules.Wemustkeepquiet.inthelibraryWemustwaitforthegreenlight(man).ontheroadinthestreetDon’twalkonthegrass.Wemustn’twalkonthegrass.intheparkDon’trun.Wemustn’trun.intheclassroomDon’t…=Wemustnot/mustn’t…Don’tturnright.Wemustnotturnright.Don’tenter.Wemustnotenter.Don’tridebicycles.Wemustnotridebicycles.Don’twalkacrosstheroad.Wemustnotwalkacrosstheroad.Don’t…=Wemustnot/mustn’t…Lookandread12344-1Wheredowehaverules?Doyouknow?Wehaverulesintheclassroom.12344-2Wehaverulesinthelibrary.Wehaverulesontheroad.Wehaverulesinthepark.PairworkkeepquietleaverubbishclimbthetreesmakeourbedsdrawonourdesksrunacrosstheroadsingloudlyatnighteatordrinkpicktheflowersdrawonourdeskslistentoourteacherswaitforthegreenmanwalkonthegrassinthelibraryintheclassroomintheparkathomeontheroadA:Whatmust/mustn’twedowhenweare__________?B:Wemust/mustn’t_________whenweare__________.Listenandmatchabcdefgh1Don’twalkonthegrass.2Don’tleaverubbish.3Don’tenter.4Don’teatordrink.5Don’tclimbthetrees.6Don’ttalkloudly.7Don’tturnleft.8Don’trun.1___2___3___4___5___6___7___8____bgdfchaePairworkLookattheabovesignsagain.Inpairs,discusstheirmeaningandmakeadialogue.S1:WhatdoesSignamean?S2:Wemustnot…S1:Wherecanwefindit?S2:Wecanfinditinalibrary.inapark.onaroad.abcdefhgLookandreadWhatdoesthissignmean?Wemustnoteatordrink.Wherecanwefindit?Wecanfinditinalibrary.•Chooseaplacefrom‘intheclassroom’,‘inthelibrary’,‘ontheroad’,‘inthepark’or‘athome’.Writemorerulesforeachplace.WriteandsayRulesin/on/at__________1.Wemust…__________2.Wemustnot…__________3.____________________________4.____________________________Wemustobeytheserules!本课重要词组1.rulesroundus我们周围的规则2.rulesandsigns规则和标志3.inthelibrary在图书馆里4.intheclassroom在教室里5.ontheroad在马路上6.inthepark在公园里7.walkonthegrass在草地上走8.playbasketball打篮球9.leaverubbish扔垃圾10.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.Don’tenter.禁止进入。19.turnleft向左转20.mustnot(mustn’t)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Languagepoints2.wait等待waitfor+sb/sth等待某人/某物例题：1)Heiswaiting____thebusstop.2)Heiswaiting____usintheclassroom.atfor3.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/walkacrossacrossthrough例题：Wemustn’twalk______theroadwhentheredlightison.A.overB.throughC.acrossD.byC4.情态动词1）特征：①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.②后接动词原形。③无人称和数的变化。Hemustfinishthehomework.4.情态动词2）can的用法：①表示能力ShecanspeakEnglish.②表示请求或允许，相当于“may”.CanIgonow?肯定回答：Yes,youcan.否定回答：No,youcan’t.3）may的用法：表示“允许”MayIaskyouaquestion?肯定回答：Yes,youmay./Yes,please.否定回答：No,youmustn’t.4.情态动词4）must的用法：①表示“必须”，“应该”②否定句中，mustn’t表示“禁止”③一般疑问句中，肯定回答用must,否定回答用needn’t.MustIfinishtheworktoday?Yes,youmust.No,youneedn’t.