高考英语主语从句复习学案.docx

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1、高考英语主语从句复习一．考点分析1.主语从句和宾语从句的辨别2.连接词的用法3.It做形式主语的句子4.That/what的区分二、专题详解导入：观察并指出句子成分Atreehasfallenacrosstheroad.Youareastudent.Tofindyourwaycanbeaproblem.Smokingisbadforyou.一．概念：主语：主语是指句子谈论的主题，说明的人或事物。也就是句中动作、行为、性质和状态的主体，一般位于句首主语从句：在句中充当主语的从句二·基本结构关系词简单句谓语动词宾语同位语Thathefinishedwrit

2、ingthecompositioninsuchashorttimesurprisedusall.他在很短的时间内写完作文让我们都很惊讶三关系词(引导词)1．从属连词：thatwhetherthat引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但不能省略。第10页共10页Thatshelefthimcuthimtotheheart.Thathewillcomeiscertain.注意：有时为了使句子结构平衡,避免“头重脚轻”,常用it作形式主语,而把从句放在后面。E.gThatshehasmadesuchamistakeisapi

3、ty.()Itisapitythatshehasmadesuchamistake.()这样就构成了下面一些常用句型:1)Itis+adj.+从句　Itisnecessarythat…有必要…我们要认真学习很有必要______________________________________.Itisimportantthat….重要的是…重要的是你意识到错误。_______________________________________.Itisobviousthat……很明显……很显然待会要下雨。____________________________

4、__________.2)It+不及物动词+从句Itseems/appearsthat...似乎……似乎你很不高兴。________________________________Ithappenedthat...碰巧……我碰巧在大街上遇到了我的同学。_________________________________Itoccurredtomethat……我突然想起……第10页共10页我突然想起我还有作业没有完成。_________________________________3)It+be+过去分词+从句　　Itissaidthat...据说……　

5、　Itisknowntoallthat...众所周知……　　Itisreportedthat...据报道……　　Itisbelievedthat...据信……;人们相信……　　Itissuggestedthat...有人建议……Itmustbepointedoutthat...必须指出……Ithasbeenprovedthat...已证明…….1.人们相信只要努力就会成功。_______________________________________2.It_________(suggest)thatweshouldraisetheawarenesso

6、fprotectingenvironment.4)Itis+n.+从句Itiscommonknowledgethat……是常识Itisasurprisethat….令人惊奇的是…Itisafactthat……事实是……事实就是他通过了考试。__________________________________________由whether及其他连词引导的主语从句放在句首，句后都可。Whetheritwillpleasethemishardtosay.Itishardtosaywhetheritwillpleasethem.2.连接代词：whowhoev

7、erwhomwhosewhatwhateverwhichwhicheverWhatseemseasytosomepeopleseemsdifficulttoothers.第10页共10页Whichsidewillwinisnotclear.注意：what与that在引导主语从句时的区别what引导主语从句时在从句中充当句子成分,如主语、宾语、表语,that则不充当任何成分无意义。例如：_______yousaidyesterdayisright.________sheisstillaliveisaconsolation2.连接副词：whenwhereh

8、owwhy等Whyhediditremainsamystery.Whentheywillsta