主语从句Word文件下载.docx
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主语从句Word文件下载.docx
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你想获得奖牌看起来是不可能的。
Thatyouaresoindifferentbothersme.
你如此冷淡使我很烦恼。
Thatshesurvivedtheaccidentisamiracle.
她在事故中幸免于难简直是奇迹。
(2)用连接代词或连接副词if,whether引导的主语从句。
Whichofthemescapedfromtheprisonisstillamystery.
他们哪一个是从监狱里逃跑的,仍然是个谜。
Whentheywillcomehasn’tbeenmadepubic.
他们什么时候来还不知道。
Whethersheiscomingornotdoesn’tmattertoomuch.
她来不来都无关紧要。
(3)用关系代词引导的主语从句。
Whatyouneedismorepractice.
你所需要的是更多的训练。
WhatIwanttoknowisthis.我想知道的就是这事。
Whateverwedoistoservethepeople.
我们无论做什么都是为人民服务。
主语从句可以直接放在主语位置上,也可以用it作形式主语,
而将从句放在句末(尤其是当谓语较短时)。
Thatlighttravelsinstraightlinesisknowntoall.
光沿直线传播,这是众所周知的事。
=Itisknowntoallthatlighttravelsinstraightlines.
众所周知光沿直线传播。
Whentheplaneistotakeoffhasnotbeenannounced.
飞机何时起飞还没有宣布。
=Ithasnotbeenannouncedwhentheplaneistotakeoff.
还没有宣布飞机何时起飞。
当what引导的主语从句表示“…的东西”时,一般不用it作形式主语。
错:
Itisabookwhathewants.
对:
Whathewantsisabook.他想要的是本书。
如果带主语从句的句子是疑问式,则必须用it作形式主语的结构。
Hasitbeensettledwhowillbesenttocarryoutthetask?
谁将被派去执行这项任务决定了吗?
3.固定用法和译法
(1)Itis+名词+从句
Itisafactthat…事实是……
Itisgoodnewsthat………是好消息
Itisaquestionthat………是个问题
Itiscommonknowledgethat………是常识
类似的名词还有:
apity;
awonder;
agoodthing;
nowonder;
surprise等。
Itisamysterytomehowitallhappened.
这一切是怎么发生的是个谜。
Itiscommonknowledgethatthewhaleisnotafish.
鲸鱼不是鱼,这是常识。
ItisnosurprisethatBobshouldhavewonthegame.
鲍勃会赢得这场比赛,这不足为奇。
(2)Itis+形容词+从句
Itisnecessarythat…有必要……
Itisclearthat…很清楚……
Itislikelythat…很可能……
Itisimportantthat…重要的是……
类似的形容词还有:
strange;
natural;
obvious;
true;
good;
wonderful;
possible;
unlikely;
quite;
unusual;
certain;
evident;
worth-while;
surprising;
interesting;
astonishing,etc.
Itisobviousthatconductorsandinsulatorsarebothimportantinindustry.
很明显导体和绝缘体在工业中都很重要。
Itisdoubtfulwhethershewillbeabletocome.
她是否能来令人怀疑。
Itwasreallyastonishingthatherefusedtotalktoyou.
他拒绝和你说话真是令人惊讶。
Itisessentialthatheshouldbeherebytheweekend.
周末之前,他应该到这里是必要的。
Itseemsobviousthatwecannotgoonlikethis.
很明显我们不能这样下去了。
(3)Itis+过去分词+从句
Itissaidthat…据说……
Itisreportedthat…据报道……
Ithasbeenprovedthat…已证明……
Itmustbeprovedthat…必须指出……
类似的过去分词还有:
known;
estimated;
expected;
believed;
thought;
hoped;
noted;
discussed;
required;
decided;
suggested;
demanded;
madeclear;
foundout,etc.
Itisthoughtthatheisthebestplayer.
大家都认为他是最好的选手。
Itisestimatedthatthevaseis2000yearsold.
据估计这个花瓶有2000年的历史。
Itisusedtobethoughtthatanewstarmustbeduetoacollisionbetweentwostars.过去一直认为新星是由于两颗星星之间碰撞产生的。
Ithasnotbeenmadeclearwhenthenewroadistobeopenedtotraffic.
还没弄清楚这条路将开始通车。
(4)It+不及物动词+从句
Itseemsthat…好像是……
Ithappenedthat…碰巧……
Itfollowsthat…由此可见……
Ithasturnedoutthat…结果是……
类似的不及物动词还有:
seem,appear,occur,follow,happen,turnout,etc.
Itturnedoutthatnobodyrememberedtheaddress.
结果是无人记得那个地址。
Itnowappearsthattheyareinurgentneedofhelp.
看起来他们急需帮助。
ItdoesnotmatterifImissedmytrain,becausethereisanotherlater.
没有赶上这趟火车没有关系,稍晚还有一趟。
IthappenedthatIsawhimyesterday.
碰巧我昨天看见他了。
当“及物动词+宾语”较短时,也可用这种结构。
ItshockedmethatPeterdidnottellanybodywherehewas.
让我吃惊的是彼得没有告诉任何人他在哪里。
Itdoesnotinterestmewhetheryougoornot.
我对你去不去不感兴趣。
It+某些固定结构+主语从句。
Itdoesn’tmaketoomuchdifference(Itdoesn’tmakeanydifference/Itdoesn’talterthesituation),whetheritrainsornot.下不下雨都没有多大关系。
Itdoesnotmakeanydifferencewhetheritrainsornot.
下不下雨没什么分别。
Itdoesnotmaketheleastdifferencetomewhatyoudo.
对我来说你做什么都无关紧要。
IsitofmuchconsequencetoyouthatMr.Wanghasfailedtodoit?
王先生没有做成这件事对你有什么重要影响吗?
二.主语从句主要有三类:
(1)由连词that引导的主语从句:
引导词that无含义,在句中不做成分,不可以省。
Thatyouwillwinthemedalseemsunlikely.
Thatyouaresoindifferentbothersme.
Thatshesurvivedtheaccidentisamiracle.
(2)用连词whether引导的主语从句:
whether有含义(是否),在句中不做成分,不可以省。
Whethersheiscomingornotdoesn’tmattertoomuch.
(3)用连接代词引导的主语从句(在由连接代词who,whose,whom,which,what,whoever,whomever,whichever,whatever引导的名词性从句中,其连接代词在句中起名词性作用,担当一定成分).
Whatyouneedismorepractice.
Whateverwedoistoservethepeople.
(4)用连接副词when,where,why,how引导的名词性从句(其连接副词有含义,在句中作状语。
)
eg:
Whereweshouldleaveitisaproblem.
Whentheywillcomehasn’tbeenmadepubic.
三.注意点:
1.it做形式主语,而将主语从句放在句末(尤其是当谓语较短时)。
Thatlighttravelsinstraightlinesisknowntoall.
=Itisknowntoallthatlighttravelsinstraightlines.
Whentheplaneistotakeoffhasnotbeenannounced.
=Ithasnotbeenannouncedwhentheplaneistotakeoff.
(当what引导的主语从句表示“…的东西”时,一般不用it作形式主语。
Itisabookwhathewants.
固定用法和译法
(1)Itis+名词+从句
Itisafactthat…事实是……
Itisgoodnewsthat………是好消息
Itisaquestionthat………是个问题
Itiscommonknowledgethat………是常识
Itisamysterytomehowitallhappened.
Itiscommonknowledgethatthewhaleisnotafish.
ItisnosurprisethatBobshouldhavewonthegame.
(2)Itis+形容词+从句
Itisnecessarythat…有必要……
Itisclearthat…很清楚……
Itislikelythat…很可能……
Itisimportantthat…重要的是……
astonishing,etc.
Itisobviousthatconductorsandinsulatorsarebothimportantinindustry.
Itisdoubtfulwhethershewillbeabletocome.
Itwasreallyastonishingthatherefusedtotalktoyou.
Itisessentialthatheshouldbeherebytheweekend.
Itseemsobviousthatwecannotgoonlikethis.
(3)Itis+过去分词+从句
Itissaidthat…据说……
Itisreportedthat…据报道……
Ithasbeenprovedthat…已证明……
Itmustbeprovedthat…必须指出……
foundout,etc.
Itisthoughtthatheisthebestplayer.
Itisestimatedthatthevaseis2000yearsold.
Ithasnotbeenmadeclearwhenthenewroadistobeopenedtotraffic.
ItdoesnotmatterifImissedmytrain,becausethereisanotherlater.
IthappenedthatIsawhimyesterday.
ItshockedmethatPeterdidnottellanybodywherehewas.
Itdoesnotinterestmewhetheryougoornot.
2.只用whether不用if引导主语从句.
Ⅰ.选择题:
1._____asmuchasone-fifthofalltimberharvestedisnotused.
A.TheestimateB.Theestimate
C.TheyareestimatedD.Itisestimatedthat
2._____somemammalscametoliveintheseaisnotknown.
A.WhichB.SinceC.AlthoughD.How
3._____wehaveachievedisattributedtotheguidanceofourparents.
A.WhoeverB.WhateverC.HoweverD.That
4._____wealthydoesnotnecessarilymeanthatamanisgreedy.
A.ForthereasonthatheisB.Justbecauseheis
C.ThereasonofbeingD.Thatheis
5.Although_____happenedinthisdevelopedcountrysoundslikesciencefiction,itcouldoccurelsewhereintheworld.
A.whichB.whatC.howD.it
6._____shehadforgottentotakehernotebook.
A.ThatoccurredtoherB.Sheoccurredthat
C.ToherthatoccurredD.Itoccurredtoherthat
7.Iamsurethat_____shesaidiswrong.
A.whichB.allC.thisD.what
8.Welostourwayintheforest,and_____mademattersworsewasthatitwasgettingdark.
A.thatB.whichC.itD.what
9._____somemammalscametoliveintheseaisnotknown.
10._____ornotisstilluncertain.
A.He’scomingB.Ifheiscoming
C.ThatcomingD.Whetherhe’scoming
11.It’s_____he’llbeabletocome.
A.doubtwhetherB.doubtfulC.doubtitD.doubtfulwhether
12._____heisatworkintheheartofthebigcityorathomeinthequietsuburb,Dick’slifeistiedtomachines.
A.WhetherB.TillC.IfD.Unless
13._____hesawbothsurprisedandfrightenedhim.
A.ThatB.WhenC.WhatD.Which
14._____isaspellofwarmsunshine.
A.Whatdoweallneed.B.Whatallweneed
C.WhatweneedD.Whatweallneed
15._____isapitythatheshouldfeelsoupset.
A.Wh
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