阳江市第三中学2014级高一（英语）教学案五课题：Unit4Astronomy:thescienceofthestarsGrammar:Nounclausesasthesubject1．Teachingaims(教学目标)1)Learntheuseofthenounclausesasthesubject.2)Makesurethatthestudentscandotheexercisescorrectly.2.TeachingimportantanddifficultpointMastertheuseofthenounclausesasthesubject.3.TeachingmethodsDiscussing,summarizingandpracticing.4.TeachingproceduresStep1:Lead-inAskSstounderlinethesubjectoftwogroupsofsentences.Step2:Pointoutthegrammar:nounclausesasthesubjectStep3:Learnthegrammarindetails1.定义：在句子中充当主语的从句叫主从2.基本结构：1）主从放句首2）主从放句末3.连接词：that,whether,who,whose,what,which,when,where,why,how等(1)Whatweseearethreecutebabies.(2)Thatsheisbeautifulisobvious.(3)Whethertheywillgetmarriedisstillunknown.Exercises一.用正确的连接词填空1.______weneedaremorebooks.2.______helovesisnoneofmybusiness.3.________themandidthisremainsapuzzle.4._______shewillcomeornotisnotsure.5.______theearthmovesaroundthesuniswellknown.★为了避免头重脚轻，常用it作形式主语,而把主语从句放在句子末尾，重要句1型有：1)Itis+名词+主从Itisapity/afactthat+主从遗憾的/事实是…2)Itis+形容词+主从Itissure/certain(确定的),obvious(明显的),important(重要的)+主从3)It+be+过去分词+主从Itiswellknownthat+主从众所周知…Itissaidthat+主从据说…Itisreportedthat+主从据报道…Itisbelievedthat+主从据认为…Exercises二.完成句子(1)_____________the2008OlympicGamestookplaceinBeijing.(众所周知)(2)___________________heisthebeststudentintheclass.(明显的)(3)__________________shehasmadesuchamistake.(很遗憾)(4)___________________Tomwilldowellinhisexam.(确定的)注意：1.whether引导主从放句首句末均可,但if引导的主从只能放句末2.连接词that一般不可省略3.主从用陈述句语序(主语+谓语+其他成分)4.连词引导主从时，谓语通常用单数；但what引导主从时，谓语动词：1)一般情况下，用单数2)与后面的名词一致Exercises三.单选1._____youdon’tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.Whether2._____hesaidatthemeetingisinteresting.A.WhatB.ThatC.WhichD.Whether3.Itisclear_____hehasnomoneywithhim.A.whatB.thatC.whichD.when24._____itistrueremainsaproblem.A.thisB.thatC.whetherD.it5._____thesportsmeetwillbehelddependsontheweather.A.WheneverB.IfC.WhetherD.That6._____hedidn’tcomehereyesterdayisunknown.A.WhereB.WhenC.WhatD.Why7.Whenandwhyhecamehere______yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotknownExercises四.判断对错(1)Whatcanyoudoistoleaveher.(2)Whenwillwehavethesportsmeetisnotsure.(3)Itisobviousthathewastellingalie.Step4:Homework1.总结并复习今天所学的主从2.完成《全优课堂》P61-623
