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时间:2019-06-20
《高一英语主语从句》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、GrammarWhatpartdoestheunderlinedpartserveasineachsentence?Atreehasfallenacrosstheroad.Youareastudent.Tofindyourwaycanbeaproblem.Smokingisbadforyou.更多资源xiti123.taobao.com“Howdoyoudo?”isagreeting.Whatshesaidisnotyetknown.Thatweshallbelateiscertain.Itiscertainthatwesh
2、allbelate.MakesentencesIt’scertain.we’llbelate.Ishecomingornot?Wedon’tknowWhatdoeshewanttotellus?Wedon’tknowWhenwillyoucomeback?Itdoesn’tmatter.It’scertainthatwewillbelate.Thatwe’llbelateiscertain.Wedon’tknowwhetherheiscomingornotWhetherheiscomingisnotknown.Wedon’t
3、knowwhathewantstotellus.Whathewantstotellusisnotknown.Whenyouwillcomebackdoesn’tmatter.Itdoesn’tmatterwhenyouwillcomeback.主语从句(NounClausesastheSubject)定义:用作主语的从句叫主语从句,它是名词性从句之一。引导主语从句的连接词有:连词that,whether;连接代词who,what和which;连接副词when,where,how和why。主语从句:做主语用的名词性从句,因其
4、在复合句中做主语,又称主语从句,引导主语从句的有连词that,whether,连接代词who,what,which,连接副词when,where,how,why等。1.连接词:1)从属连词:that,whether等.that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。Thatshelefthimcuthimtotheheart.Thathewillcomeiscertain.2)连接代词who,what,which,whatever,whichever,whoeverWhatseems
5、easytosomepeopleseemsdifficulttoothers.Whichsidewillwinisnotclear.由whether及其他连词引导的主语从句放在句首,句后都可。Whetheritwillpleasethemisnoteasytosay.3)连接副词when,where,how,why等。Whyhediditremainsamystery.Whentheywillstartisnotknownyet.Howhebecameagreatscientistisknowntousall.2.位置:主语
6、从句可以前置,也可以后置。用it做形式主语,而把主语从句,在句末,常用下面几种句型。1)It+be+表语+主语从句表语:(名词,形容词,过去分词)Itisstilluncertainwhetherheiscomingornot.ItisanhonourthatIwasinvitedtoattendthemeeting.Itisafact(ashame,apity,goodnews…)that…Itiscertainthatshewilldowellinherexam.ItistruethatItoldhereverythin
7、g.ItissaidthatMr.GreenhasarrivedinBeijing.ItisreportedthatChinahassentanothermanmadeearthsatelliteintoorbit.2)It+不及物动词+主语从句Itseemed(happened,doesn’tmatter,hasturnedout)that…Ithappensthattheywereabsent.ItseemsthatAliceisnotcomingtothepartyatall.Itdoesn’tmatterwhethe
8、rshewillcomeornot.Itmakesnodifferencewhereweshallhavethemeeting.3)It+及物动词(被动语态)+主语从句IthasbeendecidedthattheexhibitionwillnotopenonSundays.注意:1)主语
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