初二英语下Unit17Lesson65 PPT课件

学生双语报初二人教下Unit17Lesson65Unit17Youmustbemorecareful!Lesson65Youmusthelpotherswhentheyareintrouble.Readandact JIM:  Youmustbemorecareful.Thatcarnearlyhityou. KATE:Iwanttocatchthatbus. JIM:  Well,youmustn'tcrosstheroadnow.It'sdangerous.Acarmayhityou. Ifthelightisyellow,youmustwait. It’sbettertowaitandbesafe. isyellow,youmustwait. It’sbettertowaitandbesafe.Readandsay Ifyouwanttocrossastreet,youmustwaitforthegreenlight. Youmustnotcrossinfrontofthetraffic. Whenthetrafficlightsarered,thetrafficmuststop.Thenyoucancross.It`ssafe. Whenthetrafficlightsaregreen,thetrafficcango.Thenyoumustwait.It`sdangeroustocross. Whenthetrafficlightsareflashingorange,youmustwait.Becausethetrafficischanging.Ifyoucrosstheroad,it`sverydangerous. Whenthetelephonerings,Imustanswerit. Whenyougetup,youmustwashyourface.Lookandsay Whenyoufeelhungry,youmusteatsomething. Whenyoufeeltired,youmustgotobed. Whenyouareill,youmustgotoseeadoctor. Whenyouareridingabikeinthestreet,youmustbeverycareful. Whenyoucrosstheroad,youmustlookcarefully.Model:Whenyouareill,youmustseeadoctor.Ifyouareill,youmustseeadoctor.1.youcrosstheroad,youmustlookcarefully.WhenIf2.thetrafficismoving,youmustwait.WhenIf3.thetrafficlightsaregreen,youmuststop.WhenIfPractiseIfyouareadriver,whatthingsmustyoupaymoreattentionto?[A]Whenthetrafficlightsarered,youmuststop.[C]Whenyoudrive,youmusttakethesafetybelt.[`seiftibelt]n.安全带[D]Whenthepolicemansays`stop`,youmuststop.[E]Don`tdrivetoofast.[F]Whenyouaretired,youmustn`tdriveanylonger.[G]Watchthespeed.BSummary1.When/Ifyoucrosstheroad,youmustlookcarefully.2.When/Ifthetrafficismoving,youmustwait.3.When/Ifthetrafficlightsaregreen,youmuststop.4.When/Ifthetrafficlightsarered,youmaycrosstheroad.5.When/Ifthepolicemansays`stop`,youmuststop.6.When/Ifthere`salotoftraffic,youmustbemorecareful.7.When/Ifyouarenotcarefulontheroad,acarmayhityou.ExerciseIfyouwantto______astreet,youmust_______thegreenlight.Youmustnotcrossinfrontofthe______.Ifthelightis______,youshouldwait.Itis_______towaitandbe_____.Ifyouwantto______abus,youmustbemore_______.Becauseitisvery__________,carsorbusesmay_____you.crosswaitfortrafficyellowbettersafecatchcarefuldangeroushitHomework DoEx2andEx3ofWbL89. Writeafewsentencesusingthewordmust Makeafewsentenceswithif,when,before Finishofftheworkbookexercise.