名词性从句常考点.docx
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名词性从句常考点.docx
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名词性从句常考点
专题九 名词性从句常考点
在复合句中起名词作用的从句叫作名词性从句。
它包括主语从句、宾语从句、同位语从句和表语从句。
名词性从句是英语中的一个重要语法项目,在历年的高考中几乎都涉及到。
引导名词性从句的连接词可分为三类:
连接词that,whether,if(不充当从句的任何成分);连接代词what,whatever,who,whoever,whom,whose,which;连接副词when,where,how,why。
Itis...和Thereis...
Itis...句型中it为形式主语,真正的主语为动名词、不定式或从句,而Thereis意为“有……”,有时be也可以用exist,remain等替代。
用it,there填空:
①________isapitythathewasabsent.
②________isafactthathehasliedtoyou.
③________isnowonderthatheissoexcited.
④________isnoneedtoworryaboutit.
⑤________isnosense/point(in)arguingwithhim.
⑥________isnodoubtthathehasgone.
【答案】①It ②It ③It ④There ⑤There ⑥There
从句作主语时的谓语动词形式
主语从句作主语相当于第三人称单数作主语,谓语动词用单数;如果由and连接两个或两个以上的主语从句作主语时,谓语动词用复数;由两个或多个连接词引导一个主语从句,谓语动词用单数。
用所给词的适当形式填空:
①Thatthepresidentiscoming________(excite)allofus.
②Howcloseparentsaretotheirchildren________(have)astronginfluenceontheircharacter.
③Whenandwherethemeetingwillbeheld__________(notdecide)yet.
【答案】①excites ②has ③isn'tdecided/hasn'tbeendecided
宾语从句的时态和语序
宾语从句中的时态要注意呼应。
当主句中的谓语是现在时,从句根据自身的句子情况,而使用不同的时态。
当主句中的谓语是过去时态,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、科学真理、自然现象,则从句仍用现在时态.宾语从句语序要用陈述语序(whatis/wasthematter除外)。
①Thephotographswillshowyou________.
A.whatdoesourvillagelooklike
B.whatourvillagelookslike
C.howdoesourvillagelooklike
D.howourvillagelookslike
②Someoneisringingthedoorbell.Goandsee________.
A.whoisheB.whoheisC.whoisitD.whoitis
③Hello,Ididn'tknowyou_____(be)inLondon.Howlonghaveyoubeenhere?
④Ithoughthe________(be)comingtomorrow.
⑤Theteachertoldusthatlight_______(travel)ataveryhighspeed.
【答案】①B ②D ③were ④was ⑤travels
表语从句中的常见句型
常用的句型有:
Thereasonisthat...;Itisbecause...;That'swhy...;That'swhere...。
完成下列句子:
①Thereason______heisabsentfromschoolis________heisill.
=Heisill.That's________heisabsentfromschool.
=Heisabsentfromschool.That's________heisill.
②Thereason____hegavewas___hewascaughtinthetrafficjam.
③That's____Idisagree/theproblemlies/Ihavedoubt/youaremistaken.
That's________Idisagreeabout/theproblemliesin/Ihavedoubtabout/youaremistakenabout.
【答案】①why;that;why;because ②which;that/不填
③where;what
同位语从句和定语从句的辨别
同位语从句就是在复合句中作名词的同位语的名词性从句。
连接词that引导同位语从句时,应在某些抽象名词之后,如:
fact,hope,story,thought,suggestion,idea,news,possibility,feeling,doubt,truth,wish,word(消息),request,information,order,message等,对前面的名词起补充说明的作用。
同位语从句有时可以不紧跟在它所说明的名词后面,而是被别的词隔开。
定语从句中的that是关系代词,既起引导从句的作用,同时又在从句中充当主语或宾语,而同位语从句中的that是连词,只起连接主句与从句的作用,不充当句中任何成分。
完成下列句子:
①Thenews________hetoldusexcitedus.
Thenews________ourteamwonthegameexcitedus.
②Thefact________hecollectedwassurprising.
Thefact________hesaidnothingwassurprising.
③Thereisachance/possibility________hewilllosethegame.
=________arethathewilllosethegame.
④Informationhasbeenputforward________moremiddleschoolgraduateswillbeadmittedintouniversities.
【答案】①that/which/不填;that ②that/which/不填;that
③that;Chances ④that
what和that的用法
①what可引导主语从句、宾语从句和表语从句,并且替代名词性从句中所缺的主语、宾语或表语(尤其注意what引导的从句作介词宾语),相当于“名词或代词+that/which”;另外what不能引导定语从句。
②that在名词性从句中只引导从句,不充当成分。
如:
Thathesaidnothingatthemeetingsurprisedus.
[注]介词后不接that从句,除了inthat...和exceptthat...。
that引导两个以上的宾语从句,第一个that可省略,其后的that都不可省略。
that引导主语从句、表语从句和同位语从句时,that不可省。
完成下列句子:
①Theschoolisnolonger________itusedtobe.
=Theschoolisnolongertheone________itusedtobe.
②Finallyhetolduseverything________hehadseen.
=Finallyhetoldus________hehadseen.
③Theyarrivedin________wasonceaschool.
=Theyarriveintheplace________wasonceaschool.
④Don'tcare________othersthinkaboutyou.
⑤Doyouknow________theydowithwastepaper?
【答案】①what;that ②that;what ③what;that/which
④what ⑤what
whether和if的区别以及whether和that的区别
1.if和whether都可译为“是否”,两者引导宾语从句时通常可以互相替换。
而以下几种情况中,只能用whether,不能用if:
①强调两方面的选择,特别是句中有ornot时。
如:
Letmeknowwhetheryoucancomeornot.
②宾语从句前置时。
如:
Whetherthisistrue,Ican'tsay.
③引导主语、表语、同位语从句时。
如:
Whetherthefootballgamewillbeplayeddependsontheweather.
(主语从句)
Thequestioniswhetherhecandoit.(表语从句)
Thequestionwhetherweshouldgowiththemmustbe
decidedatonce.(同位语从句)
④在介词之后作宾语时。
如:
Ihaven'tsettledthequestionofwhetherI'llgobackhome.
Whetherwewillgotheredependsonwhetheritisgoingtorain.
⑤在不定式前与不定式一起组成短语时。
如:
Whethertogoorstayisstillaquestion.
[注]if可以引导条件状语从句,有“假如;如果”之意,而whether可以引导让步状语从句,有“不管;无论”之意。
如:
Ifyouaskhim,hewillhelpyou.
Whetherhecomesornot,wewillbeginourpartyontime.
2.whether和that的区别:
that表示事实,而whether表示疑问。
完成下列句子:
1________theyaretwinsisclear.
________theyaretwinsisnotclear.
②Thereisaquestion/anargument____________wehaveenoughtimetodoit.
③Theproblemis________heispooratEnglish.
Theproblemis________hecanimprovehisEnglish.
【答案】①That;Whether ②whether ③that;how/whether
“疑问词+ever”和“nomatter+疑问词”的区别
“疑问词+ever”既可引导名词性从句,在主句中充当一定的成分,又可引导让步状从;但是“nomatter+疑问词”只能引导让步状语从句。
完成下列句子:
①________leavestheroomlastoughttoturnoffthelights.
________leavestheroomlast,heoughttoturnoffthelights.
②Hewouldn'tlistento________Isaid.
________Isaid,hewouldn'tlistentome.
③Sarahhopestobecomeafriendof________sharesherinterest.
________comes,youmustn'topenthedoor.
④Asmanyasfivecoursesareprovided,andyouarefreetochoose________suitsyoubest.
【答案】①Whoever;Whoever/Nomatterwho
②whatever;Whatever/Nomatterwhat
③whoever;Whoever/Nomatterwho ④whichever
who和whoever的区别
who表示疑问;而whoever与anyonewho同义。
用who,whoever填空:
①________hasstolenthemoneyhasn'tbeenfoundoutyet.
②________hasstolenthemoneyshouldbepunished.
③Iwillspareaticketforthenewly-madefilmto_____desirestogetit.
【答案】①Who ②Whoever ③whoever
“众所周知”的几种表达
“众所周知”可以用主语从句、表语从句和非限制性定语从句来表示。
完成下列句子:
①________isknowntousallthatChinaisadevelopingcountry.
②________isknowntousallisthatChinaisadevelopingcountry.
③________isknowntousall,Chinaisadevelopingcountry.
④________weallknow,Chinaisadevelopingcountry.
【答案】①It ②What ③As ④As
1.___thedelayedflightwilltakeoffdependsmuchontheweather.
A.Why B.When C.That D.What
2.—Whatamess!
Youarealwayssolazy!
—I'mnottoblame,Mum.Iam________youhavemademe.
A.howB.whatC.thatD.who
3.Itisdifficultforustoimagine________lifewaslikeforslavesintheancientworld.
A.whereB.whatC.whichD.why
4.AsJohnLennononcesaid,lifeis________happenstoyouwhileyouarebusymakingotherplans.
A.whichB.thatC.whatD.where
5.Exactly________thepotatowasintroducedintoEuropeisuncertain,butitwasprobablyaround1565.
A.whetherB.whyC.whenD.how
6.Theonlywaytosucceedatthehighestlevelistohavetotalbelief________youarebetterthananyoneelseonthesportsfield.
A.howB.thatC.whichD.whether
7.Fromspace,theearthlooksblue.Thisis________aboutseventy-onepercentofitssurfaceiscoveredbywater.
A.whyB.howC.becauseD.whether
8.Itremainstobeseen________thenewlyformedcommittee'spolicycanbeputintopractice.
A.thatB.whichC.whatD.whether
9._______IwanttotellyouisthedeeploveandrespectIhaveformyparents.
A.ThatB.WhichC.WhetherD.What
10.Thenoticecamearoundtwointheafternoon________themeetingwouldbepostponed.
A.whenB.thatC.whetherD.how
【答案】1.B2.B3.B4.C5.C6.B7.C8.D9.D10.B
1.Whereandwhenwewillbuildthenewfactory________yet.
A.isnotdecidedB.arenotdecided
C.hasnotdecidedD.havenotdecided
2.Sheispleasedwith________youhavegivenherandall________youhavetold.
A.that;thatB.what;whichC.what;thatD.all;what
3.Pleaseputthemedicineonthetopoftheshelf.It's________ourchildrencan'treachit.
A.whatB.thatC.whereD.how
4.—Wouldyoutellme____youwantyourtea,withsugarormilk?
—Sugar,please.
A.whetherB.whenC.whatD.how
5.Theprofessorintheenddecidedtogivetheprizeto________hasacommandofEnglish.
A.whoB.anyoneC.whoeverD.whomever
6.Asanewgraduate,hedoesn'tknow________ittakestostartabusinesshere.
A.howB.whatC.whenD.which
7.Thelasttimewehadgreatfunwas________wewerevisitingtheWaterPark.
A.whereB.howC.whenD.why
8.Weshouldalsocareaboutthechildrenfromtheearthquake-strickenareaafter________seemedtohavereturnedtonormal.
A.itB.whatC.thatD.which
9.Iwassurprisedbyherwords,whichmademerecognize________sillymistakesIhadmade.
A.what B.that C.how D.which
10.Thetraditionalviewis________wesleepbecauseourbrainis“programmed”tomakeusdoso.
A.thatB.whyC.whenD.whether
11.—It'sthirtyyearssincewelastmet.
—ButIstillrememberthestory,believeitornot,________wegotlostonarainynight.
A.whichB.thatC.whatD.when
12.Withhisworkcompleted,thebusinessmansteppedbacktohisseat,feelingpleased________hewasamanofaction.
A.whetherB.thatC.whatD.which
13.Thereisasign________theChinesefoodisbecomingmoreandmorepopular.
A.whenB.thatC.ifD.which
14.________isreportedinthenewspapers,talksbetweenthetwocountriesaremakingprogress.
A.ItB.AsC.ThatD.What
15.Whileyou'vemadesomemistakes,Ibelieve________you'vedoneyourbestand________thingswillimprove.
A.that;/B./;thatC.that;whichD.if;that
16.Thequestioncameattheconference________weshoulddowiththesluggishmarket.
A.whichB.whereC.howD.what
17.It'snoneofyourbus
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