九年级英语上册 Unit 6 TV programmes Grammar II教案 （新版）牛津版-（新版）牛津版初中九年级上册英语教案VIP专享VIP免费

TVprogrammes教学目标1、知识目标：进一步认识和掌握与电视节目相关的词汇、词组。2、技能目标：学会运用unless引导的条件状语从句教学重点1、知识目标：进一步认识和掌握与电视节目相关的词汇、词组。2、技能目标：学会运用unless引导的条件状语从句教学难点学会运用unless引导的条件状语从句。课前预习Previewthenewwords.教学方法Task-basedapproach，ScenepedagogyandTeachingwithhumor教学用具Tape-recorderBlackboardFlashPPT教学过程二次备课Step1：预习指导与检测Step2：展示目标Step3：课堂导学与互动Usingunless1.Lead-inAskthestudentstotranslatethefollowingsentences:1.除非下雨，否则我们明天要去公园。（Wewillgototheparktomorrowunlessitrains.）2.除非你帮我，否则在本月底之前我是完不成这项工作的。（Unlessyouhelpme,Iwillnotfinishtheworkbeforetheendofthismonth.）2.WorkouttheruleWecanuseuselesstosaythatsomethingcanonlyhappenorbetrueinaparticularsituation.Sometimeswecanuseif…nottoreplaceunless.unless在意义上可以理解为if…not，在有些情况下两者可以互换使用。如：Ican'tseeunlessIwearglasses.(=Ican'tseeifIdon'twearglasses.)Unlessyoucanpayyourbills,you’llhavetoleave.(=Ifyoucan'tpayyourbills,you’llhavetoleave.)从上面的例子可以看出，由于unless已经表达了if…not的含义，它所引导的条件状语从句只能使用肯定形式。3.PresentationAskthestudentstorewritethesentencesaboveusingif…not.1.Wewillgototheparktomorrowunlessitrains.Wewillgototheparktomorrowifitdoesn’train.2.Unlessyouhelpme,Iwillnotfinishtheworkbeforetheendofthismonth.Ifyoudonothelpme,Iwillnotfinishtheworkbeforetheendofthismonth.4.WorkouttheruleWeoftenusethesimplepresenttenseintheunless-clause.Weneedacommaaftertheunless-clausewhenitisthefirstpartofasentence.(1)主句为肯定句。如：Youwillmissthebusunlessyouhurryup.You'llfailyourChemistrytestagainunlessyouworkharder.(2)主句为否定句或含有表示否定意义的词。如：Unlessyouarefriendlytopeople,youwon'tgetonwellwiththem．Youwillnevergetanywhereunlessyousetyourgoal．5.Practice完成书上相关的练习，并核对答案。Step4：知识拓展1.在以when，before，assoonas等引导的时间状语从句，也适用“主将从现”原则，即如果主句是一般将来时，从句则用一般现在时。I'lltellherthegoodnewswhenshecomesback.当她回来的时候，我将把这个好消息告诉她。Shewillgiveyouacallassoonasshereturns.她一回来就会给你电话。2.If条件句==祈使句，and/or+将来时态的陈述句。<同义句转换>Workhard,andyouwillmakegreatprogress.=Ifyouworkhard,youwillmakegreatprogress.Hurryup,oryouwillbelate.=Ifyoudon’thurryup,youwillbelate.Step5：总结提升分组讨论，说说unless这种句型的用法以及if与unless用法之间联系。Step6：当堂反馈Step7：布置作业1.Copynewwordsandphrases.2.Makesentencesasmanyaspossibleusingiforunless.教学反思