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《八年级英语下学期lesson 65 PPT.ppt》由会员上传分享，免费在线阅读，更多相关内容在PPT专区-天天文库。
1、Lesson65YoumustbemorecarefultrafficlightsWhenthetrafficlightisred,wemuststop.Whenthetrafficlightisred,wemustn’tcrosstheroad.Ifthetrafficlightisred,wemustwait.Whenthetrafficlightisyellow,weshouldwait.Ifthetrafficlightisyellow,weshouldwait.Ifthetrafficlightisyellow,wemustn’tcrosstheroad.iti
2、sbettertowaitandbesafe.Ifwewanttocrossthestreet,wemustwaitforthegreenlight.Whenthetrafficlightisgreen,wecanwalkacrosstheroad.Ifyouarenotcareful,acarmayhityou.Hey,youmustbemorecareful.Whenmanypassengersarewaitingforabus,youmuststandinlineandwaitforyourturn.If…1,吵闹,喧哗2,很多车辆3,发生交通事故4,打扰别人5,上
3、车6,下车7,靠左行驶8,买票9,推别人10,左右看看11,排队12,等候makealotofnoisealotoftraffichaveanaccidentdisturbothersgetongetoffdriveontheleftbuytheticketpushotherslookleftandrightstandinlinewaitforone’sturnmusthaveto1.must“必须,应该”,表示说话人的主观看法1)Imustgothere.2)Motherisill,Imustlookafterher.haveto“不得不,必须”,表示的是客观需要1)I
4、havetogothere.2)Motherisill,Ihavetolookafterher.2,以must开头的疑问句时,如是肯定回答,仍用must,如是否定回答需用needn’t或not…havetomustn’t表示不可以.1)MustIgetupearlytomorrowmorning?---No,youneedn’t///No,youdon’thaveto.2)Youmustn’tplayontheroad.3,must可以表示肯定的推测,“一定”语气may比强It’salreadyteno’clock,hemustbesleeping.may,can,mus
5、t,haveto1,You_______playontheroad,it’sdangerous.2,________Ifinishitnow?----No,you_________.3,Beforeyouwalkacrossthestreet,you_________lookaround.InEngland,you________driveontheleft.4,_______IspeaktoMissZhang,please?5,_______wekeepthebooksforoneweekmore?---Sorry,youmustn’t.mustn’tMustdon’t
6、haveto//needn’tmustMayMayhaveto
