主语从句超全讲解加练习

1、精选文档精选文档PAGEPAGE5精选文档PAGE1）附属：that，whether等.that引主从句只起引作用，自己无心，在主从句中不充任任何成分，但不可以省略。Thathewillwiniscertain.Whetherhellcomehereisn他一定会。tclear.他能否会来里不清楚。注意:常用it由that引的主从句有了使句子构均衡作形式主,而把从句放在后边。比如:,防止“重脚”,Thathewillrefusethispieceofadviceisimpossible.theyshouldlikeeachotherisnatural.就组成了下边一些常用句型:1)Itis+n

2、.+从句Itisapity/shamethat.憾的是Itisasurprisethat令人诧异的是Itisafactthat是事Itiscommonknowledgethat是常_(很憾)welostthematch._(是事)hecheatedintheexam.2)Itis+adj.+从句Itscertainthat一定Itispossiblethat.很可能Itisunlikelythat.不行能Itisobviousthat很明.that+(should)do_(很可能)shewillcomebacktomorrow.*_(很明)thismeasureiseffective.3)It

3、+不及物+从句Ithappenedthat.刚巧Itoccurredtomethat我忽然想起_(好)Icameintotheofficeatthattime.*_(我忽然想起)Iforgettosenttheletter.4)It+be+去分+从句Itissaidthat.据Itisknowntoallthat.尽人皆知Itisreportedthat.据道Itisbelievedthat.人相信/Itissuggestedthat+(should）do.建_(据道)20peoplewerekilledintheaccident.*_(建)weshouldeatmorevegetablean

4、ddomoreexercise.2.接代who，what，which,whatever,whichever,whoever(Who,whom,which,what能够和ever组成合成，和what一引从句，ever起到作用。它在句子中担当骨干成分，并用述句形式)WhatmanyscientistsbelieveisthattheearthisroundWhowilltakepartinthemeetinghasnotbeendecided.Whoeverbreaksthelawwillbepunished.Whateverwassaidheremustbekeptsecret.接副when，w

5、here，how，why等。Whytheysuddenlydisappearedstillremainsamystery.Whentheywillleaveisnotdecided.Howwewillpaintthehousehasnotbeendecided.注意:1）主从句在句首，必由接引，不可以省略些接：Theyshouldlikeeachotherisnatural.正：Thattheyshouldlikeeachotherisnatural2)whether引主从句，if不行：IfMaryreallyheardhimisreallydoubtful.正:WhetherMaryreal

6、lyheardhimisreallydoubtful.Completethesentencesusingwhat,whether,where,when，who,why,howorthat.1.(_isneededforsuccess)isyourhardwork.2.2.(_theywillarrive)hasbeentoldtotheteacher.3.(_wewillgotomorrow)hasntbeendecidedyet.4.(_canjoininthesportmeet)isdecidedbytheteacher.5.(_itwillrainornot)isnotclear.Con

7、clusion:主从句作主，一般用数形式。主从句的律：找出以下句子中的错误，并总结规法规willhecomeisnotknown.正：Whenhewillcomeisnotknown.律一、主从句一律用述序，即主在前，在后。例2.Hewillnotcometothemeetingthiseveningistrue.正：Thathewillnotcometothemeetingthiseveningistrue.律二、that在从句中无心，但不可以省略。例3.Ifthemeetingwillbeputoffhasnotbeendecidedyet.正：Whetherthemeetingwillb

8、eputoffhasnotbeendecidedyet.规律三、whether能够指引主语从句，放在句首，但if不可以例4.Thatwhetherhewillhelpothersisafact.正：Thathewillhelpothersisafact.规律四、主语从句中的连词不可以重叠使用。例5.Whenhewillcomeareapuzzle.正：Whenhewillcomeisapuzzle.规律五、含主语从句的主句谓语动词多用单数第三人称形式。Whatheneedsisthatbook.Whatheneedsaresomebooks.规律六、what指引的主语从句，可依据表语决定主句动

9、词的单复数形式。规律七、主语从句为了防止虎头蛇尾现象,用it做形式主语，而把从句放在后边。Thattheearthturnsaroundthesunisknowntoall.Itisknowntoallthattheearthturnsaroundthesun.找犯错误，并给出原因：1.Whereshallwespendtheholidayisntdecided.havemadeamistakeisafact.Ifthepolicemanwillcomeisnotcertain.Thatiscertainthatwecanwin.Itisorderedweshouldleaveatonce.W

10、herehecomesfromareamystery.Whatwhetherhelikesthejobisnotclear.Whoheisandwhereheisfromisimportant.hesawisthestarsinthesky.hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How2._wellgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere3.Itworriedherabit_herhairwasturninggray.whether

11、B.thatC.whatD.whenIsayandthink_noneofyourbusiness.A.isB.areC.hasDhave请用适合的主语从句连词填空:What,it,that,whether,whoever_youdontlikehimisnoneofmybusiness._hesaidatthemeetingastonishedeverybodypresent_the2000OlympicGameswillbeheldinBeijingisnotknownyet.4._wellgocampingtomorrowdependsontheweather.5._leavesther

12、oomlastoughttoturnoffthelights.用whetherif填空questionis_thefilmisinteresting.weshallattendthemeetinghasntbeendecidedyet.CorrectornotIfwewillhaveameetinghasntbeendecidedyet.Whetherwewill.decidedyet.Payattention:放在名性从句句首，表示“能否”，只好用ifwhether,不可以用Thatshewantstoknowiswhenthepartywillbeheld.Whatshewantstokn

13、owis.Payattention:此主从句缺乏成分-，故用作成分的what来引，而不用thatHewillgiveuphisjobsurprisesallofus.ThathewillgiveupPayattention:由that引的主从句放在句首，that不可以省略。hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How2._wellgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhereisknowntousallthatAmericaisadevelopedcountry.AWhi