2016春人教版七年级下册英语课件Uint4 2.ppt

Tellyourclassmateswhattherulesshouldbe.Whoisthefastest?Don’tfightwithyourclassmates.Don’tlistentomusicintheclassroom.Don’tarrivelateforschool.Don’truninthehallways.Don’teatintheclassroom.Youmusteatinthedininghall.1.___listentomusicintheclassroomorhallways2.___listentomusicinmusicroom3.___listentomusicoutside2aListencheck(√)theactivitiesAlanandCindytalkabout.√√√4.___eatintheclassroom5.___eatinthedinninghall6.___eatoutside7.___wearahat8.___fight√√√√1.listentomusicintheclassroomorhallways2.listentomusicinmusicroom3.listentomusicoutside4.eatintheclassroom5.eatinthedininghall6.eatoutside7.wearahat8.fightcancan’tcancan’tcancan’tcancan’tcancan’tcancan’tcancan’tcancan’t2bListenagain.CanAlanandCindydotheseactivities?Circlecanorcan’tabove.Well,wecan’tlistentomusicintheclassroomorhallways.Butwecanlistentomusicinmusicroom.2cStudentAisAlan.StudentBisCindy.Talkabouttherulesin2a.Whataretheschoolrules,Alan?Wecan’teatintheclassroom,butwecaneatinthedininghall.Uh-huh.No,youcan’t.Whatelse?Oh,youcan’tfightwithyourclassmates.Thatmakestheteachersreallyunhappy.Oh,canwewearahatinclass?Isee.1.IsJohnnewatschool?___________2.Aretheremanyrulesatschool?______________2dReadtheconversationin2dandanswerthequestions.Yes,heis.Yes,thereare.3.Canhebrightmusicplayerstoschool?_______________4.Dotheyhavetoalwaysweartheschooluniform?_______________No,hecan’t.Yes,theydo.2dRole-playtheconversation.1.wearv.意为“穿、戴”e.g.MyauntwearsablueskirtandawhiteT-shirt.我姑姑穿着蓝色的裙子，白色的T恤。Doeshewearglasses?他戴眼镜吗？5.haveto与musthaveto着重于客观的需要，含有“不得不”的客观强制性；must着重于主观上自己认为有义务、有必要。e.g.Shehastocleantheroomeveryweek.她每周都得打扫房间。Imustgonow.我现在必须走。含有haveto的句子变一般疑问句或否定句时要借助助动词do/don’t或does/doesn’t；而含有must的句子变一般疑问句是直接将must提前至句首，变否定句是在must后加not。e.g.Hedoesn’thavetodoit.他不必做那件事。Hemustn’tdoit.他不许做那件事。Doeshehavetofinishitnow?他不得不现在完成那件事吗？Musthedohishomework?他必须做他的作业吗？在否定句中，don’t/doesn’thaveto表示“没有必要”，mustnot/mustn’t表示“不允许、禁止”。e.g.Youdon’thavetogothere.你不必去那儿。Youmustnot/mustn’tgothere.你不许去那儿。一、用haveto,must填空1.It’scoldoutside.We______stayathome.2.We____begoodwithourparents.havetomust根据各题后括号内的要求完成下列各题。1.Hehastoweartheschooluniformatschool.(改为一般疑问句)_____he________weartheschooluniformatschool?2.Theyhavetodotoomuchhomeworkeveryday.(改为否定句)They______________dotoomuchhomeworkeveryday.Doeshavetodon’thaveto3.Wemustfinishourworknow.(改为一般疑问句)______we________ourworknow?MustfinishClassRules1.__________________2.__________________3.__________________4.__________________5.__________________6.__________________7.__________________…Youcanbeginlikethese:Don’t….Youcan…Youcan’t…