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人教七年级下Unit4Unit4Don'teatinclass.SectionA(GrammarFocus-3c)Tellothersaboutyourschoolrules.(Youcanfinishitbyyourself/withyourpartner)listentomusicInourschool,wecan’tlistentomusicinclass,butwecanlistentoitafterclass.Unit4Don'teatinclass.SectionA(GrammarFocus-3c)Lead-inUnit4Don'teatinclass.SectionA(GrammarFocus-3c)Don’truninthehallways.Don’tfight.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecan’t,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecan’t.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesn’t.Whatdoyouhavetodo?Wehavetobequietinthelibrary.GrammarFocus1.不要在楼道里跑。__________________2.不要打架。_________________3.有什么规则？_________________4.我们必须按时上课.__________________5.我们可以在教室里吃东西吗？_____________6.不能。但我们可以在餐厅里吃东西。________________________________7.我们可以在上课的时候带帽子吗？___________________________阅读GrammarFocus部分，完成下列句子。Don’tfight.Don’truninthehallways.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecan’t,butwecaneatinthedininghall.Canwewearahatinclass?Unit4Don'teatinclass.SectionA(GrammarFocus-3c)1.祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子,这类句子的主语常是第二人称you，即听话者，因而you常省去。祈使句的开头是动词原形。祈使句有肯定和否定两种。2.祈使句的否定形式多以donot(常缩写成don’t)开头，再加v.。S＋don’thaveto＋v.＋其他(适用于一般现在时，主语是第三人称单数用doesn’thaveto；过去时，则用didn’thaveto)3.疑问句Do/Does/Did＋S＋haveto＋v.＋其他祈使句Unit4Don'teatinclass.SectionA(GrammarFocus-3c)Don’twalk.Walk.Run.Don’trun.Therearealsomanyrulesinourlife.Unit4Don'teatinclass.SectionA(GrammarFocus-3c)Youcan’tparkcarshere!Noparking!Don’tparkcarshere!Youcan’tswimhere.Don’tswim!Noswimming!否定祈使句的构成：1.Don’t+动词原形2.No+动词ing形式Unit4Don'teatinclass.SectionA(GrammarFocus-3c)LibraryRules1.Don’ttalk.2.__________________3.__________________4.__________________Writetherulesfortheschoollibrary.Don’tlistentomusic.Don’teatordrink.Don’ttakephotos.方法指导：1.由图示可知都是一些禁止类的祈使句。2.可知应用“Don’t+动词原形”句子。3aUnit4Don'teatinclass.SectionA(GrammarFocus-3c)Usethewordstomakequestionsabouttherules.Bequiet?Q:Doesshehavetobequietinthelibrary?(she/haveto/inthelibrary)?A:Yes,shedoes.方法指导：1.由例句可知是have/has的一般疑问句。2.构成：Do/Does/Did＋S＋haveto＋v.＋其他3.肯定回答：Yes，主语+do/does.否定回答：No，主语+do/does.3bUnit4Don'teatinclass.SectionA(GrammarFocus-3c)No.1Eat?Q:______________________________________?(he/haveto/inthedininghall)A:_______________________________________No.2Listentomusic?Q:______________________________________?(we/can/inthehallways)A:_______________________________________No.3Wearahat?Q:______________________________________?(we/can/intheclassroom)A:_______________________________________DoeshehavetoeatinthedininghallYes,hedoes.CanwelistentomusicinthehallwaysNo,wecan’t.No,wecan’t.CanwewearahatintheclassroomUnit4Don'teatinclass.SectionA(GrammarFocus-3c)Can(1)modalv.能；能够（表示许可）—CanIsithere?我可以坐这儿吗？—No,youcan’t.不,你不能。(2)can能；会（表示能力）—Canyouplaybasketball?你会打篮球吗？—Yes,Ican.是的,我会。点拨：Unit4Don'teatinclass.SectionA(GrammarFocus-3c)Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!1.Wecaneatinclass.2.Wedon’thavetocometoschooleveryday.3.…3cUnit4Don'teatinclass.SectionA(GrammarFocus-3c)Atmydreamschool,wedon’thavetocometoschooleveryday.Wecaneatintheclassroom.Wecanlistentomusicinclass.Wedon’thavetodohomework.Wedon’thavetowearschooluniformsatschool.Great!Lilin’sschoolisthecoolest.Unit4Don'teatinclass.SectionA(GrammarFocus-3c)一、将下面的句子改为祈使句，每空一词。1.Youcancomein.__________,please.2.Icanhelpyou._____me______you.3.Youcan’teatinclass.____________inclass.4.Youcan’tbelateforschool.__________lateforschool.5.Youcan’ttakephotoshere.____photoshere.ComeinLethelpDon’teatDon’tbeNoExercisesUnit4Don'teatinclass.SectionA(GrammarFocus-3c)1.Hehastoeatbreakfastquickly.(改为一般疑问句)______________________________2.Playvolleyballafterclass.(改为否定句)______________________________二、句型转换Doeshehavetoeatbreakfastquickly?Don’tplayvolleyballafterclass.Unit4Don'teatinclass.SectionA(GrammarFocus-3c)3.Wecanwearsportsshoesinclass.(改为一般疑问)______________________________4.Don’tarrivelateforclass.(改为同义句)_______________________________5.Erichastodohishomeworkbeforesix.(对划线部分提问)___________________________________Canwewearsportsshoesinclass?Wemustbeontimeforclass.WhatdoesErichavetodobeforesix?Unit4Don'teatinclass.SectionA(GrammarFocus-3c)1.KeyWordlibraryrules2.Sentences(1)—Canwewearahatinclass?—Yes,wecan./No,wecan’t.(2)Dowe/Doeshehaveto...SummaryUnit4Don'teatinclass.SectionA(GrammarFocus-3c)Homework1.ReviewthesentencemodelsinGrammarFocus.2.CollectmuchmoresignsyouseeinyourdailylifeandtrytodescribetheminEnglish.Unit4Don'teatinclass.SectionA(GrammarFocus-3c)THANKYOU！