名词性从句讲解及专项练习习题及其解答Word格式文档下载.docx
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作句子主语的从句叫主语从句。
主语从句通常由从属连词that,whether,if和连接代词what,who,which,whatever,whoever以及连接副词how,when,where,why等词引导。
that在句中无词义,只起连接作用;
连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用,在从句中充当从句的成分。
例如:
Whathewantstotellusisnotclear.他要跟我们说什么,还不清楚。
Itisknowntoushowhebecameawriter.我们都知道他是如何成为一名作家的。
WheretheEnglisheveningwillbeheldhasnotyetbeenannounced.
英语晚会将在哪里举行,还没有宣布。
有时为避免句子头重脚轻,常用形式主语it代替主语从句作形式主语放于句首,而把主语从句置于句末。
主语从句后的谓语动词一般用单数形式。
常用句型如下:
(1)It+be+名词+that从句
(2)It+be+形容词+that从句
(3)It+be+动词的过去分词+that从句(4)It+不及物动词+that从句
另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时,谓语动词要用虚拟语气“(should)+do”,常用的句型有:
Itisnecessary(important,natural,strange,etc.)that…
Itisapity(ashame,nowonder,etc.)that…
Itissuggested(requested,proposed,desired,etc.)that…
2.宾语从句
名词句用作宾语的从句叫宾语从句。
引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样,在句中可以作谓语动词或介词及非谓语动词的宾语。
1.由连接词that引导的宾语从句
由连接词that引导宾语从句时,that在句中不担任任何成分,在口语或非正式的文体中常被省去,但如从句是并列句时,第二个分句前的that不可省。
HehastoldmethathewillgotoShanghaitomorrow.他已经告诉我他明天要去上海。
Wemustneverthink(that)wearegoodineverythingwhileothersaregoodinnothing.
我们决不能认为自己什么都好,别人什么都不好。
注意:
在demand、order、suggest、decide、insist,desire,demand,request,command等表示要求、命令、建议、决定等意义的动词后,宾语从句常用“(should)+动词原形”。
Iinsistthatshe(should)doherworkalone.我坚持要她自己工作。
Thecommanderorderedthattroops(should)setoffatonce.司令员命令部队马上出发。
2.用who,whom,which,whose,what,when,where,why,how,whoever,whatever,whichever等关联词引导的宾语从句相当于特殊疑问句,应注意句子语序要用陈述语序。
Iwanttoknowwhathehastoldyou.我想知道他告诉了你什么。
Shealwaysthinksofhowshecanworkwell.她总是在想怎样能把工作做好。
Shewillgivewhoeverneedshelpawarmsupport.凡需要帮助的人,她都会给予热情的支持。
3.用whether或if引导的宾语从句,其主语和谓语的顺序也不能颠倒,仍保持陈述句语序。
此外,whether与if在作“是否”的意思讲时在下列情况下一般只能用whether,不用if:
a.引导主语从句并在句首时;
b.引导表语从句时;
c.引导从句作介词宾语时;
d.从句后有“ornot”时;
e.后接动词不定式时。
Whetherthereislifeonthemoonisaninterestingquestion.
月球上有没有生命是个有趣的问题。
Everythingdependsonwhetherwehaveenoughmoney.一切要看我们是否有足够的钱。
4.注意宾语从句中的时态呼应,当主句动词是现在时,从句根据自身的句子情况,而使用
不同时态。
hestudiesEnglisheveryday.(从句用一般现在时)
hestudiedEnglishlastterm.(从句用一般过去时)
Iknow(that)hewillstudyEnglishnextyear.(从句用一般将来时)
hehasstudiedEnglishsince1998.(从句用现在完成时)
当主句动词是过去时态(could,would除外),从句则要用相应的过去时态,如一般过去时,过去进行时,过去将来时等;
当从句表示的是客观真理,科学原理,自然现象,则从句仍用现在时态。
TheteachertoldusthatTomhadleftusforAmerica.
5.think,believe,imagine,suppose等等动词引起的否定性宾语从句中,要把上述主句中的动词变为否定式。
即将从句中的否定形式移到主句中。
Wedon’tthinkyouarehere.我们认为你不在这。
Idon’tbelievehewilldoso.我相信他不会这样做。
3.表语从句
在句中作表语的从句叫表语从句。
引导表语从句的关联词与引导主语从句的关联词大致一样,表语从句位于连系动词后,有时用asif引导。
其基本结构为:
主语+系动词+that从句。
Thefactisthatwehavelostthegame.事实是我们已经输了这场比赛。
Thatiswhyhedidn’tcometothemeeting.那就是他为什么不到会的原因。
Itlooksasifitisgoingtorain.看上去天要下雨了。
需要注意的,当主语是reason时,表语从句要用that引导而不是because。
Thereasonwhyhewaslatewasthathemissedthetrainbyoneminutethismorning
4.同位语从句
同位语从句说明其前面的名词的具体内容。
同位语从句通常由that引导,可用于同位语从句的名词有advice、demand、doubt、fact、hope、idea、information、message、news、order、problem、promise、question、request、suggestion、truth、wish、word等。
Thenewsthatwewonthegameisexciting. 我们赢得这场比赛的消息令人激动。
Ihavenoideawhenhewillcomebackhome.我不知道他什么时候回来。
ThethoughtcametohimthatMaryhadprobablyfallenill.他想到可能玛丽生病了。
同位语从句和定语从句的区别:
that作为关系代词,可以引导定语从句,充当句子成分,在从句中作宾语时可以省略;
that引导同位语从句时,起连词的作用,没有实际意义,不充当句子成分,一般不能省略。
试比较下面两个例句:
Ihadnoideathatyouwerehere.(that引导同位语从句,不能省略)
Haveyougottheidea(that)thisbookgivesyouoflifeinancientGreece?
(that引导定语从句,作宾语,可以省略)
名词性从句专项练习100题
1.Hissuccesswasbecauseof________hehadbeenworkinghard.
A.thatB.thefactwhichC.thefactthatD.thefact
2.“IsMaryfromNewYorkCity”“Idon'
tknow_______.”
A.fromwhatcitydoesshecomefromB.fromwhatcityshecome
C.whatcitydoesshecomefromD.whatcityshecomesfrom
3.________makesmistakesmustcorrectthem.
A.WhatB.ThatC.WhoeverD.Whatever
4.ThereasonwhyIdidn'
tgotoShanghaiwas________anewjob.
A.becauseIgotB.becauseofgettingC.IgotD.thatIgot
5.Itworriedherabit____herhairwasturninggrey.
A.whileB.thatC.ifD.for
6.Henrykilledthedog.I'
llaskhimwhy________.
A.didhedothatB.hedidthatC.hedidD.hehasdoneso
7.HaveyouseenHenrylatelyMybosswantstoknow________.
A.howheisgettingalongB.howishegettingalong
C.whatheisgettingalongD.whatishegettingalong
8.Itisgenerallyconsideredunwisetogiveachild____heorshewants.
A.howeverB.whateverC.whicheverD.whenever
9.Heaskedme________withme.
A.whatisthetroubleB.whatwrongwas
C.whatwasthematterD.whattroubleitis
10.Iamsure________hesaidistrue.
A.thatB.aboutthatC.ofthatD.thatwhat
11.Whenandwhyhecamehere________yet.
A.isnotknownB.arenotknownC.hasnotknownD.havenotbee
12.Iwonderhowmuch________.
A.doesthewatchcostB.didthewatchcost
C.thewatchcostedD.thewatchcosts
13.Maryis________someonemightrecognizeher.
A.afraidofB.afraidaboutC.afraidthatD.afraidfor
14.________isnoreasonfordismissingher.
A.BecauseshewasafewminuteslateB.Owingtoafewminuteslate
C.ThefactthatshewasafewminuteslateD.Beingafewminuteslate
15.Theycametotheconclusion________byacomputer.
A.thatnotallthingscanbedoneB.becauseofnotallthingsbedone
C.beingnotallthingscanbedoneD.becausenotallthingscanbedone
16.Whytheexplosionoccurredwas________thelaboratoryattendanthadbeencareless.
A.forB.becauseC.sinceD.that
17.Idon'
tdoubt________he'
llcome.
A.thatB.ifC.whatD.whether
18.—“Whydidyougotothewrongclass,Mr.Wang”
—“Well,Iforget_______Iwassupposedtogoto.”
A.whichtheroomB.whichroomC.whatwastheroomD.whatroomwasit
19.Outputisnowsixtimes________itwasbeforeliberation.
A.thatB.whichC.whatD.ofwhich
20.Mary:
Helenisamerewasherwoman,yetshe'
snowbuyingabighouse.
Carol:
Yes.Becauseshe'
salwayssaved________.
A.whatlittlesheearnsB.howlittlesheearns
C.forlittlesheearnsD.withlittlesheearns
21.______surprisedmemostwas______suchalittleboyofsevencouldplaytheviolinsowell.
A.That…whatB.What…thatC.That…whichD.What…which
22.Wegavehim________helpwecould.
A.whichB.whatC.thatD.this
23.Sheispleasedwithwhatyouhavegivenhimand________youhavetoldhim.
A.thatB.whichC.allwhatD.allthat
24.Excusemewouldyoupleasetellme________
A.whenthesportsmeetistakenplaceB.whenisthesportsmeetgoingtobeheld
C.whenisthesportsmeettobeginD.whenthesportsmeetistotakeplace
25.Doyouhappentoknow________
A.whatsizeshoeshewearsB.howbigshoeshewears
C.whatisthesizeofhisshoesD.whatnumbershoesarehis
26.Thisbookwillshowyou________canbeusedinothercontexts.
A.howyouhaveobservedB.howwhatyouhaveobserved
C.thatyouhaveobservedD.howthatyouhaveobserved
27.Wheredoyouthink________
A.hashegoneB.hashebeenC.he'
sgoneD.washe
28.Doyouknow________
A.howmanypopulationsthereareintheworld
B.howmuchpopulationthereisintheworld
C.howmanythepopulationoftheworldis
D.whatthepopulationoftheworldis
29.Wouldyougoandsee________outside
A.whattotakeplaceB.whatTomhashappened
C.whatishappeningD.whatthematterhadbeen
30.Thesubjectof"
WhatisinterestingisthatIdonotevenknowhim."
is_______.
A.whatB.interestingC.WhatisinterestingD.I
31.________IthinkheisCharles.
A.WhodoyouthinkheisB.Doyouthinkwhoheis
C.WhomdoyouthinkheisD.Doyouthinkwhoheis
32.Hedidn'
tknowwhichroom________.
A.theylivedB.theylivedinC.didtheyliveD.didtheylivein
33.Thelittleboyate________hismothergavehim.
A.thatB.whichC.whateverD.nomatterwhat
34.Thecityisnolonger________.
A.whatitisB.thatitusedtobeC.whichitwasD.whatitusedtobe
35.Myparentsused________theyhadtogetanewcarforme.
A.whichB.thatC.whatD.allwhat
36.________wegoswimmingeveryday________usalotofgood.
A.If…doB.That…doC.If…doesD.That…does
37.________wastheidea_______thewifethoughtof
A.What…thatB.That…whatC.How…whyD.Why…how
38._______didhetellhiswife________hewishedtodo
A.That…whatB.What…thatC.Where…whichD.Which…where
39.Oneofthemenheldtheview________thebooksaidwasright.
A.whatthatB.thatwhatC.thatwhichD.whichthat
40.Ihavenoidea________ornothehasfinishedthework.
A.ifB.thatC.whetherD.which
41.—“Doyouknow________”
—“Hisfatherisadoctor.”
A.whatishisfatherB.whoishisfather
C.whathisfatherisD.whohisfatheris
42.Isthis________