最新高考英语专项复习主语从句讲解及练习附答案Word文档格式.docx
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Whateverwedoistoservethepeople.
我们无论做什么都是为人民服务。
（4）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.
他们什么时候来还不知道。
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.
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。
Hasitbeensettledwhowillbesenttocarryoutthetask?
谁将被派去执行这项任务决定了吗？
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。
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。
2.只用whether不用if引导主语从句.
填空1
1._____asmuchasone-fifthofalltimberharvestedisnotused.
2._____somemammalscametoliveintheseaisnotknown.
3._____wehaveachievedisattributedtotheguidanceofourparents.
4._____wealthydoesnotnecessarilymeanthatamanisgreedy.
5.Although_____happenedinthisdevelopedcountrysoundslikesciencefiction,itcouldoccurelsewhereintheworld.
6._____shehadforgottentotakehernotebook.
7.Iamsurethat_____shesaidiswrong.
8.Welostourwayintheforest,and_____mademattersworsewasthatitwasgettingdark.
9._____somemammalscametoliveintheseaisnotknown.
10._____ornotisstilluncertain.
11.It’s_____he’llbeabletocome.
12._____heisatworkintheheartofthebigcityorathomeinthequietsuburb,Dick’slifeistiedtomachines.
13._____hesawbothsurprisedandfrightenedhim.
14._____isaspellofwarmsunshine.
15._____isapitythatheshouldfeelsoupset.
16._____aspoonfulofsoilcantellussomuchaboutthestructureandearlyhistoryofthemoon.
17._____younominatewillbeelected.
18._____bookyouborrowmustbereturnedwithinaweek.
19._____ofusgetshomefirststartscooking.
20._____ordershegivesareobeyed.
填空2
1.________makesmistakesmustcorrectthem.
2.Itworriedherabit____herhairwasturninggrey.
3.Whenandwhyhecamehere________yet.
4.________isnoreasonfordismissingher.
5.________Tomlikedtoeatwasdifferentfrom________.
6.________wegoswimmingeveryday________usalotofgood.
7.It________Bobdrivesbadly.
8.It'
suncertain________theexperimentisworthdoing.
9.________theboydidn'
ttakemedicinemadehismotherangry.
10.____wecan'
tgetseemsbetterthan____wehave.
11.____youdon'
tlikehimisnoneofmybusiness.
12..____we'
llgocampingtomorrowdependsontheweather.
13._________isgoingtodothejobwillbedecidedbythePartycommittee.
14._______we'
llfinishtranslatingthebookdependsonthetime.
15.______hewon'
tgothereiscleartoallofus.
16.______thehousewillbebuiltwillbediscussedattomorrow'
smeeting.
17.._______youcomeornotisuptoyou.
18.._______makesmistakesmustcorrectthem.
19.._______teamwillwinthematchisamatterofpublicconcern.
20..________leavestheroomlastoughttoturnoffthelights.
A.isnotknownC.Thefactthatshewasafewminuteslate
D.What…whatyouhadexpected
主语从句练习题
[即学即用]
I.用适当的词填空,使句子意思完整。
1.______hedidn’tattendthemeetingyesterdaywasn’tquiteclear.
2.TheForeignMinistersaid,“Itisourhope______thetwosideswillworktowardspeace.”
3.______teamwillwinthematchisstillunknown.
4.______comestothepartywillreceiveapresent.
5.______Maryhasleftisstillaquestion.
6.It’sreported______threepeoplewerekilledintheaccidentandfivewerehurtbadly.
7.______hesolvedtheproblemsuccessfullyinterestedallofus.
8.Weusuallythink______wecan’tgetseemsbetterthanwhatwehave.
9.Itisafact______Englishisbeingacceptedasaninternationallanguage.
10.______istobesenttheretosolvetheproblemhasn’tbeendecided.II.下列各句中均有一处错误,请改正。
1.Thattheoldman’ssonwantedtoknowwaswherethegoldhadbeenhidden.
2.ItisreportedwhenChinahassuccessfullysentShenzhouVIspaceshipintospace.
3.Ifhecanfinishhistaskontimeisofgreatimportance.
4.Whetherthe2008OlympicGameswillbeheldinBeijingexcitedthewholenation.
5.AfterYangLiweisucceededincirclingtheearth,whichourastronautsdesiretodoiswalkinspace.
6.Whateverleavestheroomlastoughttoturnoffthelights.
7.Whytheywillsolvetheseriousproblemtodayhasnotbeendecided.
8.WhenwillwintheEnglishcompetitionisstillaproblem.
9.Howourspringsportsmeetwillbeheldornotthisweekisnotknownyet.
10.It’sstrangewhenheshouldhavegoneawaywithouttellingus.GRAMMAR
主语从句学习指导
[寻规找矩]请观察下列句子,注意主语从句的用法。
1.Thattheearthtravelsroundthesunisawell-knownfact.
2.Itisuncertainwhethertheartistcandoitornot.
3.Whowillacttheleadintheplayhasnotbeendecidedyet.
4.Wheretheyoungmanhasgoneisnotknown.
5.Itisnotyetdecidedwhenandwherethetestwillbegiven.
[常见错误展示]下列各句均有一处错误,请改正并分析错误的原因。
1.Lighttravelsfasterthansoundiscommonknowledge.
2.Ifshe’scomingornotdoesn’tmattermuch.
3.Thattheprofessorsaidisofgreatimportance.
4.Wherewillthetreesbeplantedhasnotbeendecided.
5.Nomatterwhobreakstherulewillbepunished.
6.Whenandwherethemeetingwillbeheldstillremainaquestion.
7.Whatwereyourproblemsayearagohasnowbecomemine.
8.Itwasrequestedthateveryonemadeaspeechatthemeeting.
C）whatparttheyplayinD）inwhatparttheyplay
1.Itdidn’tsurpriseusatall________hewasposttoHongKong.
A）whyB）howC）whatD）that
?
6.Itisprettywellunderstood________controlstheflowofcarbondioxideinandouttheatmospheretoday.
A）thatB）thatwhatC）whatD）how
6.________we’llgocampingtomorrowdependsontheweather.
A）IfB）WhetherC）ThatD）Where
7.________we’llgocampingtomorrowhaskeptusallexcitedthewholeday.
8.Hewilltellus________hethinksofourarrangement.
A）thatB）whatC）howD）if
9.Sarahhopestobecomeafriendof________sharesherinterests.
A）whoeverB）whomeverC）nomatterwhoD）nomatterwhomE）anyone
11.________hisfailureliesisexpected________cleartous.
A）What„tomakeB）How„made
C）Where„tobemadeD）Why„making
2.Dr.SmithcomesfromeitherYaleorHarvardIcan’tremember________.
A）whereB）thereC）whichD）that
3.Youcandependon________promisehemakes.
A）anythingthatB）whichC）whateverD）whose
5.–Weneverknow________heis.
–Theysayheisasalesman.
A）whoB）whatC）howD）whichE）whoever
4.Themainfact（or）sinhumanlifearefive:
birth,food,sleep,loveanddeath.（Onecouldincreasethenumber—addbreathingforinstance—butthesefivearethemostobvious.）Letusaskourselves________ourlives.
A）theyplayinwhatpartB）theyplaywhatpartin5.Ireallydon’tsee________.
A）whatisthefunofplayingdeadB）whatthefunofplayingdeadis
C）whatfuntoplaydeadisD）whatisthefuntoplay
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