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第二部分学透语法突破句法篇专题五三大从句高考帮研透命题语法帮考点通关03练习帮课时提能02点击此处添加小标题点击此处添加正文01点击此处添加小标题点击此处添加正文目录CContents

卷别定语从句名词性从句状语从句2023新Ⅰ新Ⅱ62.why(表语从句)甲63.as(非限制)64.where乙63.that/which卷别定语从句名词性从句状语从句2022新Ⅰ65.that(先行词被all修饰)新Ⅱ甲62.who(非限制性)乙浙江卷别定语从句名词性从句状语从句2021新Ⅰ56.What(主语从句)新Ⅱ59.that/which甲乙浙江卷别定语从句名词性从句状语从句2020新Ⅰ59.which/that新Ⅱ60.that/whichⅠ63.whereⅡⅢ61.whose65.When/As浙江57.what(宾语从句)卷别定语从句名词性从句状语从句2019Ⅰ61.that(同位语从句)Ⅱ62.which(非限制性)Ⅲ64.that/who浙江58.that/which考向1定语从句

[全国卷5年12考]1.[2023全国甲,63]Yet,theformofthefablestillhasvaluestoday,

⁠Rachel

Carsonsaysin"AFableforTomorrow."2.[2023全国甲,64]"TherewasonceatownintheheartofAmerica

⁠alllife

seemedtoenjoypeacefulco-existencewithitssurroundings,"herfablebegins,

borrowingsomefamiliarwordsfrommanyage-oldfables.3.[2022全国甲,62]Onthe1,100-kilometerjourney,themanCaoShengkang

losthiseyesightattheageofeightinacaraccident,crossed40citiesandcountiesinthreeprovinces.as

where

who

4.[2022新高考Ⅰ,65]TheGPNPisintendedtoprovidestrongerprotectionforallthe

species

⁠livewithintheGiantPandaRangeandsignificantlyimprovethehealthof

theecosysteminthearea.5.[2021天津3月,8]WilliamHastieoncesuggestedthathistoryinformsusofpast

mistakesfrom

⁠wecanlearnwithoutrepeatingthem.6.[2020全国Ⅲ,61]InancientChinalivedanartist

⁠paintingswerealmost

lifelike.

7.[江苏高考,21]Wehaveenteredintoanage

⁠dreamshavethebestchanceof

comingtrue.that

which

whose

when

高考全国卷语法填空对于定语从句的考查常涉及关系代词that,which,who,

whose,关系副词where和when。其中which/that考查频次最高。近几年该考点常设

置在句式复杂的长难句中,增加了难度。考生在备考时要注意复杂语境中关系词的

判断和选择,还要注意易混关系词如that/which,as/which的辨析。

1.[2023全国乙,63]Butforallitsancientbuildings,Beijingisalsoaplace

welcomesthefast-paceddevelopmentofmodernlife,with21st-

centuryarchitecturalwondersstandingsidebysidewithhistoricalbuildingsofthepast.2.[2023北京,18]Ninarecentlyfinishedheryear-longseriesofrunsinChicago

⁠thousandswereattendingawaterconference.3.[2021北京,12]Whenyousleep,yourbrainsortsthrougheverything

happenedduringtheday,tryingtolinknewexperiencestooldmemories.that/which

where

that

4.[2021浙江1月,57]BMIisaninternationallyrecognizedmeasurement

tool

⁠givesanindicationofwhethersomeoneisahealthyweight.5.[2020新高考Ⅰ,59]The80,000objectscollectedbySirHansSloane,forexample,

formedthecorecollectionoftheBritishMuseum

⁠openedin1759.that/which

that/which

6.[2020新高考Ⅱ,60]TheDigital

Worldisasetofvolumes

⁠aimto

describehowdigitalsystemsinfluencesocietyandhelpreadersunderstandthenatureof

digitalsystemsandtheirmanyinteractingparts.7.[2020全国Ⅰ,63]Becausethemoon’sbodyblocksdirectradiocommunicationwitha

probe,Chinafirsthadtoputasatelliteinorbitabovethemooninaspot

⁠it

couldsendsignalstothespacecraftandtoEarth.8.[2020江苏,21]Manylessonsarenowavailableonline,from

⁠studentscan

chooseforfree.9.[全国Ⅱ,62]NowIreneAstburyworksfrom9amto5pmdailyatthepetshopin

Macclesfield,

⁠sheopenedwithherlatehusbandLes.that/which

where

which

which

10.[全国Ⅲ,64]Theywerewelltrainedbytheirmasters

⁠hadgreat

experiencewithcaringfortheseanimals.11.[浙江高考,58]Ontheedgeofthejacket,thereisapieceofcloth

givesofflightinthedark.that/who

that/which

考向2名词性从句

[全国卷5年3考]8.[2023新高考Ⅱ,62]Thisis

⁠theyneedanEnglishtrainer.9.[2022北京,15]It’seasytoexplainhowwedetermine

⁠smellsare

dangerousornot:welearn.10.[2021新高考Ⅰ,56]

⁠issobreathtakingabouttheexperience(goingto

MountHuangshan)istheout-of-this-worldscenes.11.[2020江苏,25]Itisnotaproblem

wecanwinthebattle;it’sjusta

matteroftime.12.[2020浙江,57]Overthousandsofyears,theybegantodependless

on

couldbehuntedorgatheredfromthewild,andmoreonanimalstheyhad

raisedandcropstheyhadsown.why

whether/if

What

whether

what

近几年高考对名词性从句的考查较少,主要从以下两个角度设题:

1.主语从句;

2.宾语从句。预计未来高考对名词性从句的考查会集中在连接词what,that,whether上。

1.[2020北京,3]Oliversaysifyou’reluckyenoughtohavesomeoneclosetoyouwho

enjoyscooking,askthem

⁠youcanjoininwhenit’spossible.2.[北京高考,8]Doesthenameofthecollegeyouattendreallymatter...Whatstudentsdo

atcollegeseemstomattermuchmorethan

⁠theygo.3.[江苏高考,25]Scientistshaveobtainedmoreevidence

⁠plasticisfindingits

wayintothehumanbody.if/whether

where

that

考向3状语从句

[全国卷5年1考]13.[2021天津3月,2]Weallneedtogetinvolvedinsavingenergy

⁠it’sat

work,athome,oratschool.14.[2020全国Ⅲ,65]

⁠heaskedthevillagersonthebanksoftheriver

wherehecouldfindthelegendary(传奇的)artist,theysmiledandpointeddownthe

river.15.[天津高考,13]Tomissoindependentthatheneveraskshisparents’

opinion

⁠hewantstheirsupport.whether

When/As

unless

高考对状语从句的考查主要涉及:

1.when,until/till引导的时间状语从句;

2.sothat引导的结果状语从句;

3.if/unless引导的条件状语从句。

考点一定语从句一、关系代词引导的定语从句关系代

词先行词在从句中充当的成分that人或物主语、宾语、表语、宾语补足语(只引导限制性定语从句)which物主语、宾语、表语、定语、宾语补足语关系代

词先行词在从句中充当的成分who人主语、宾语whom宾语、表语whose人或物定语as人或物主语、宾语、表语、主语补足语、宾语补足语注意

that,which,who,whom在限制性定语从句中作宾语时可省略。

[2022浙江1月,56]KimCobb,aprofessorattheGeorgiaInstituteofTechnology

inAtlanta,isoneofasmallbutgrowingminorityofacademics

⁠arecutting

backontheirairtravelbecauseofclimatechange.who/that

[2021新高考Ⅱ,59]IdecidedthatifIlearnedofacompany

⁠useda

lotofplastic,I’dsenditanemailurgingittocutback.

Theoldman

⁠mygrandpaisplayingchesswithisanoldfriend

ofhis.that/which

who/whom/that

教师尊享·点拨该句中academics意为"学者",是可数名词复数形式,所以关系词要用

who/that。

[2020天津,6]Dr.Rowan,

secretaryresignedtwoweeksago,hashad

todoallhisowntyping.whose

教师尊享·点拨该句中出现了两个be动词"is",

需注意第二个"is"才是主句谓语动词,第

一个"is"为定语从句中的谓语动词。只用that的情况当先行词为everything,anything,nothing,something,much,all,

none,few,little(少)等不定代词时当先行词为形容词最高级或被序数词或形容词最高级修饰时当先行词被theonly,thevery,all,any,little(少),few,no等词修

饰时当先行词既有人又有物时1.that和which引导的定语从句只用

which的情况在非限制性定语从句中关系代词在从句中作介词的宾语,而介词又位于关系代词之前时

Mybrotherwassokindthathegavemetheverycomputer

⁠Iwaseagerto

buy.

Today,withthehelpofBeiDouNavigationSatelliteSystem(BDS),

⁠is

entirelybuiltbyChineseengineers,weChinesecaneasilyfindourway.

All

⁠happensduringearlyyearscaninfluencechildrenfortherestoftheir

lives.

Thelandisknownforahistoricalsitewithbeautifullycoloredwalls,on

arepaintedtheeventsofthepast.that

which

that

which

2.as引导的限制性定语从句

as引导的限制性定语从句主要用于thesame...as...,such...as...和so...as...结构中。

Itissuchabigdecision

⁠moststudentshavetomakebeforegraduation.3.as和which引导非限制性定语从句的区别位置含义which引导非限制性定语从句时,位于先行

词之后,其先行词是整个主句或主句

中的一部分。对先行词加以补充、解释as引导非限制性定语从句时,其先行词

是整个主句,位置灵活,位于句首、

句中或句末均可。对主句的内容进行评述,表示"按

照,正如"as

Thenumberofsmokers,

isreported,hasdroppedby17percentinjustone

year.

Thiscomputerstoresalargeamountofinformation,

⁠isofgreatuseto

yourresearch.as

which

提示

where引导定语从句时,先行词除了可以是表示具体地点的名词(如place,

home,school,village等)外,还可以是表示抽象地点的名词(如job,condition,

situation,point,case,stage,activity等)。二、关系副词引导的定语从句关系副词先行词在从句中充当的成分when(=at/on/in/duringwhich)表时间时间状语where(=at/in/onwhich)表地点地点状语why(=forwhich)只引导限制性定语从句表原因原因状语

[2021天津3月,15]AttheChineseartfestival,therearedifferentstands

artistsdemonstratetheirskillsandteachthevisitors.

5Gcommercialservice’sbeingofficiallylaunchedhasopenedanewdigital

age,

⁠people’sworkcapacityandlifestylewillbeupgraded.

Thereason

⁠theinjectionneedsrepeatingeveryyearisthatthevirus

changes.

[天津高考,11]Theirchildisatthestage

⁠shecansayindividualwords

butnotfullsentences.where

when

why

where

三、"介词+关系代词"引导的定语从句1.若介词放在关系代词之前,关系代词指人时用whom,

指物时常用which。另外,

whose也可以放在介词后,即"介词+whose+名词"结构。2."介词+关系代词"的常见结构:

OurEnglishteacher,with

⁠helpwehavemadegreatprogressinEnglish,hascompletedthirtyyearsofteaching.

HuaMulan,thestoryof

hasbeentoldbygenerationsinChina,isa

fighterintheNorthernWeiDynasty.

Therearemanydifferentteasetsandalmostallkindsofteainhishome,most

of

⁠Ican’tname.whose

whom

which

1.Doctorssaymisunderstandingsandfalseinformationaboutthediseasearespreadingon

theInternet,

⁠theythinkshouldbestopped.2.RunningfromSept.4to9,thefairwasthefirstglobaltradeevent

⁠hadbeen

heldbothonlineandofflinebyChinasincetheoutbreakofthedisease.3.Careofthesoulisagradualprocessin

⁠eventhesmalldetailsoflifeshould

beconsidered.4.AsfarasIamconcerned,youthisaperiod

⁠weshouldstudyhardandmake

ourselveswellpreparedforthefuture.which

that

which

when

5.PekingOperahasahistoryofabout200years,

⁠origincandatebackto

otheroldlocaloperas,especiallyAnhuiOpera.6.

isknowntousall,traditionalChinesemedicineispracticalandeffective

whenusedtotreatsomediseases.7.Duringthosedarkmoments,thespacestationmaintainsitspowersupplybyusing

juice(电)

⁠issavedinitsbatteries.8.Inlifepeoplemakemanydecisions,someof

⁠aresoimportantthatthey

affectusgreatly.9.Don’ttrustsuchpeople

⁠praiseyoutoyourfacebutspeakillofyoubehindyour

back.whose

As

that/which

which

as

10.TheexhibitscovertheworksbyQiBaishi,

⁠workshaveinfluencedthe

developmentofChinesepaintings.11.Theyhavereachedapoint

⁠theyhavetoborrowmoney.12.Whenapplyingforavisa(签证),youneedtostatesimplyandclearlythe

reasons

⁠yougotothecountry.13.MozartwasafamouscomposercontemporarywithBeethoven,bothof

madegreatachievementsinthefieldofmusic.14.Itiswidelyacknowledgedthatpeople

⁠takephysicalexerciseregularlymay

livelonger.15.Whenwetalkedofthingsandpersons

wemetduringtheadventure,allthe

kidswidenedtheireyeswithinterest.whose

where

why

whom

who

that

考点二名词性从句一、从属连词连接词that1.在从句中不作成分,也无词义;2.引导宾语从句时可省略;引导主语从句、表语从句、同位语从

句时,不可省略。if主要引导宾语从句,有时引导主语从句whether引导主语从句、宾语从句、表语从句、同位语从句asif/asthough引导表语从句because引导表语从句连接代词who(ever),whom(ever),

what(ever),which(ever),

whose引导主语从句、宾语从句、表语从句、同

位语从句连接副词when,where,why,how引导主语从句、宾语从句、表语从句、同

位语从句

matterstoamuseumisnothowmanyvisitorsithas,buthowcloseitis

topeople’sdailylives.

[北京高考,26]Janemovedaimlesslydownthetree-linedstreet,not

knowing

⁠shewasheading.

Pickyourselfup!Courageisdoing

⁠youareafraidtodo.

Unfortunately,Imissedthiseventforthereason

⁠Ihadtovisitmy

grandma.

What

where

what

that

教师尊享·点拨学生看到reason,易错填why,

但在该句中,空后内容"Ihadtovisitmy

grandma"是解释reason的内容,所以空处引导同位语从句,应填that。

[江苏高考,21]Byboatistheonlywaytogethere,whichis

⁠wearrived.

⁠theirweddingceremonywillbeheldintheopenairtomorrowdepends

ontheweather.

We’vegotacoupleofparticipantsintheteam.Theproblemis

⁠cancomplete

thischallengingtask.how

Whether

who

二、主语从句1.从句作主语时,主句谓语动词一般用单数。

Whatsheofferstoherclassmates

⁠(be)honestyandhappiness.2.it作形式主语:句型句型中常用的词或词组It+be+形容词+从句clear,certain,obvious,important,likely,

necessary,possible等It+be+名词(词组)+从句ashame,apity,anhonour,nowonder,goodnews

等It+be+过去分词+从句said,reported,thought,known,believed,

expected,concluded等It+特殊动词(短语)+从句doesn’tmatter,occurstosb.,makesnodifference等is

Itispossible

caffeinemaycausebirthdefects(缺陷)inhumans,too.

Itisapity

⁠welostsuchanimportantcustomer.

Itisbelieved

theinsectshavespreadtoEuropebeforecrossingovertosub-

SaharanAfrica.

Itdoesn’tmatter

yougototheGreatWallorthePalaceMuseum—we

haveenoughtimetoexplorethisamazingcity.that

that

that

whether

三、宾语从句it作形式宾语:

Ithinkitnecessary

⁠wedrinkplentyofboiledwatereveryday.

Ishallseetoit

⁠heistakengoodcareofwhenyouareabsent.that

that

2.表示情感或态度的形容词后可接宾语从句,如confident,convinced,surprised,

anxious等。

Iwassurprised

⁠sheshouldthrowawaythenecklacefromherboyfriend.3.一般情况下介词后只能接wh-类连接词引导的宾语从句。

[江苏高考,26]Wechoosethishotelbecausethepriceforanighthereisdownto

$20,halfof

⁠itusedtocharge.that

what

四、表语从句1.asif/asthough。asif/asthough意为"好像,仿佛",其引导的表语从句常位于系

动词之后,从句有时用虚拟语气。

Ifeltasifwe

⁠(know)eachotherforyears.hadknown

2.because/why。常用于以下句式中:

Unlikeordinarypaper-makingwheretreesneedtobecutdown,Daipaperis

environmentallyfriendly.Thisis

⁠itsrawmaterialistherecyclablebarkofa

kindoftreesuniquetothearea.because

五、同位语从句同位语从句前的名词通常是表示抽象意义的名词:fact,news,idea,truth,

hope,problem,information,belief,thought,doubt,suggestion,question等。

同位语从句用于对这些名词作进一步的解释或说明。

IhavesentMissGreenaninvitationtoourparty,butIhavenoidea

shewillacceptit.

Housewarmingpartiesgettheirnamefromthefact

⁠alongtimeagopeople

wouldactuallybringfirewoodtoanewhomeasagift.whether

that

1.that/what在从句中充当成分含义that不充当成分无含义what充当主语、宾语、表语、定语意为"什么,……的事情,什么样的"

Contraryto

manypeoplethink,HIVcannotbetransmittedthrough

mosquitoes,coughsorsneezes.

Don’tbesad.Themostimportantthingis

⁠wemustlearnfromourmistakes

andmoveon.what

that

、易混连接词2.whether/if二者在动词后引导宾语从句时,通常可互换,但在下列情况下,只用whether:特殊情况例句与ornot直接连用时Idon’tknowwhetherornottheywillcome.我不知道他们是

否会来。作介词的宾语时Everythingdependsonwhetherwehaveenoughmoney.一切

都取决于我们是否有足够的钱。特殊情况例句引导主语从句且从句

位于句首时Whetherthesportsmeetingwillbeheldontimedependsonthe

weather.运动会是否会按时举行取决于天气。引导同位语从句时Ihavenoideawhetherheiswillingtohelpus.我不知道他是

否愿意帮我们。

Itremainstobeseen

⁠ornotthisideacanbeputintopractice.

[天津高考,4]Sheaskedme

Ihadreturnedthebookstothelibrary,

andIadmittedthatIhadn’t.whether

whether/if

1.

⁠makestheHarbinInternationalIceandSnowFestivalspecialisthescaleof

thesculpturesandthebeautifullighting.2.Afterconsideringcarefully

Icouldfindmyfirstidealjob,IchoseChina.3.Thenewsspreadquicklyallovertheworld

⁠MichaelSchumacherrevivedafter

beingseriouslyinjuredfor5years.4.Nowtherouteisnolongerusedforinternationaltradebutmuchhistoryandmany

storiesof

⁠happenedontheancientroadremain.5.

⁠passesherewouldstoptoadmirethescenery.What

where

that

what

Whoever

6.Itwasexpected

over100,000peoplewilltakepartinthemassiveparadein

Tian’anmenSquareonthemorningofOct.1.that

7.TheGreenRevolutionisagoodexampleof

⁠technologicaladvancescanhave

agreateffectoneconomicdevelopment.8.Hedidnotseethefilmlastnight.Thatis

⁠hehadtohelphislittlesisterwith

herhomework.9.Eatwhichevercakeyoulikeandleavetheotherfor

⁠comeslate.10.Nowadays,moreandmoreparentsarediscussing

⁠morefreedom

andencouragementshouldbeprovidedfortheirchildren.how

because

who/whoever

whether/if

11.Nowadaysconsumersbecomemoreandmorepracticalandonlybuy

⁠they

need.what

12.Thesyrup(糖浆)finallyturnsintoasolidcoating,likethecrystalonthesurfaceof

haws(山楂果).Thatis

theyarealsocalledbingtanghulu.

13.Itdoesn’tmatter

youcome—thestorestaysopen24hoursaday.14.Marytookitforgranted

⁠theywouldapproveoftheidea.15.Donotletanyfailuresdiscourageyouinyourdailylife,foryouneverknow

⁠closeyoumaybetovictory.why

when

that

how

考点三状语从句一、时间状语从句连词基本意义注意when,while,as当……时as可译为"在……的时候,一边……一

边……,随着,正当";while多用于持

续性的动作或状态;when后接短暂性或

持续性动词均可。连词基本意义注意assoonas,themoment,

theinstant,theminute,

thesecond,immediately,

directly,

hardly/scarcely...when...,

nosooner...than...一……

就……"hardly/scarcely...when...",

"no

sooner...than..."

结构中,when/than前的

主句通常用过去完成时,when/than引导

的从句通常用一般过去时;

hardly/scarcely和nosooner提至句首时,它

们所在的主句要部分倒装。连词基本意义注意before;after在……之前;

在……之后Itwas+时间段+before...过了……才……Itwasnotlongbefore...不久就……Itwon’tbelongbefore...不久就会……Itwillbe+时间段+before...要过……才……until/till直到强调句型"Itisnotuntil...that..."。连词基本意义注意since;bythetime自从……;到……时since引导时间状语从句时,

主句通常用现在完成时或现

在完成进行时;bythetime引

导从句时,主句通常用过去

完成时或将来完成时。each/everytime,thenext

time,thelasttime,thefirst

time,anytime,whenever每次;下次;上次/最

后一次;第一次;任

何时候;无论何时从句通常用一般现在时。

theaverageageofthepopulationincreases,therearemoreandmoreold

peopletocarefor.

StartingintheYuanDynasty,workontheLongjiRiceTerraceswasnot

completed

⁠theearlyQingDynasty.

(immediate)theyappeared,theyweregreetedwithaburstof

applause.

NosoonerhadHuawei’snewphonebeenlaunched

⁠itsoldoutandreceived

popularity.

Itcouldeasilybeanotheryear

⁠theeconomystartstoshowsome

improvement.

As

until

Immediately

than

before

Ithasbeenmorethanfiftyyears

⁠ChinagotitsseatbackintheUnited

Nations.

Isawthetragicscenesonthenews,Ifeltitwasmydutyasadoctorto

gothereandoffermyhelp.

Bythetimetherescueteamarrived,theviolentrainstorm

⁠(sweep)

thewholetown,causinggreateconomiclossandmanybrokenfamilies.since

When

hadswept

二、地点状语从句1.连词:where(哪里),wherever(无论在哪里)

Wegotlostintheforestanddecidedtoremain

⁠wewereandwaitedfor

rescue.

Chinaownsoneoftheworld’soldestcivilizations.

yougo,youcan

easilyrecognizemanyamazinghistoricalandculturallandmarks.where

Wherever

2.区分where引导的状语从句与定语从句

where引导状语从句时,其前没有先行词,从句用来说明主句谓语动作发生的地

点;where引导定语从句时,其前有表示地点的名词作先行词,从句修饰先行词。

三、目的状语从句连词:sothat,inorderthat为了,以便常与情态动词can,could,may,might等连用;sothat引导的从句通常置于主

句之后。

Iamstudyinghard

⁠Icangotoafamousuniversity.sothat/inorderthat

四、

结果状语从句1.so...that...结构:

Hemade

⁠rapidprogressthathewaspraisedbyhisteacher.3.sothat也可以引导结果状语从句,从句中往往没有情态动词,而且主从句之间常

用逗号隔开。

Thebusbrokedown,sothatwehadtowalkhome.公交车坏了,结果我们不得不走路回家了。so

such

五、原因状语从句连词内涵语气能否回答why能否被强调because(因为)直接因果关系强能能as(由于)较明显的原因稍弱不能不能since/nowthat(既

然)

Weneedtopulloffthehighwayandfindastation

⁠thepetrolisrunning

out.

Wethoughtthat

wewereinthearea,we’dstopbyandvisitit.because

as/since

六、让步状语从句连词用法although/though从句不能与but连用,但可与yet/still连用。as/thoughas引导的从句必须倒装;though引导的从句可倒装也可不倒装。while意为"虽然,尽管",从句一般放在主句前,用逗号隔开。even

though/evenif意为"即使,尽管"。whether...or...意为"不管……还是……"。疑问词-ever表示"无论,不管",相当于"nomatter+相应的疑问词"。

wehavelearnedalotabouttheuniverse,thereis

muchwestilldon’tknow.

Hekeepstakingexercise

⁠colditisinwinter.

Young

heis,hecanreadandwriteinseveralforeignlanguages.

shecomeshereorwegothere,thetopicofthediscussionwillremain

unchanged.

Although/Though/While

however

as/though

Whether

七、条件状语从句连词含义例句if如果Theyagreedtolendusthecarifwepromisedto

returnitbeforetheweekend.如果我们答应在周

末前归还,他们就同意把车借给我们。Aslongaswedon’tloseheart,wewillsucceed.

我们只要不灰心就会成功。unless除非,如果不(=if...not)as/solongas只要incase以防万一

[江苏高考,29]

youcansleepwell,youwilllosetheabilitytofocus,

planandstaymotivatedafteroneortwonights.

wemakegooduseofpublictransport,theenvironmentwillbebetter.Unless

If

八、其他状语从句方式状语从句as(照……方式);asif/asthough(好像,似乎)比较状语从句as...as...,notso...as...,than

Thehousehasbeengreatlydamagedbythetruckandwe’dbetterleaveit

⁠itis

untilthepolicearrive.as

九、状语从句的省略1.从句和主句的主语一致,且从句中含有be动词时,从句的主语和be动词可省略。

[2023北京,14]When

(see)fromafar,themangroveforestsappearmore

splendid.

[全国Ⅱ,70]China’sapproachtoprotectingitsenvironmentwhile

(feed)itscitizens"offersusefullessonsforagricultureandfoodpolicymakersworldwide,"saysthebank’sJuergenVoegele.

Hewon’tgotherewithusunless

⁠(invite).

Heisrunninghereandthereasif

⁠(look)forsomethinglost.seen

feeding

invited

looking

Nomatterhowfrequently

(display)intheLouvreinParis,the

masterpiecesofPabloPicassoalwaysattractalargenumberofaudience.

Everyeveningafterdinner,ifnot

(absorb)inreadingbooks,she

canbefoundsittingonthesofawatchingTV.

displayed

absorbed

2.在ifitispossible,whenitisnecessary等类似结构中,itis常可省略。常见的if型的省略结构有:ifso如果这样的话ifnot不然的话ifpossible如果可能的话

ifany如果有的话ifnecessary如果有必要的话

1.Ihadhardlysatdownonthetrainandopenedabarofchocolate

⁠anoldman

withahugebagsatdownacrossfromme.2.Convenient

computersare,handwritingstillplaysanimportantrolein

themodernworld.3.Ifyouaretraveling

thecustomsarereallyforeigntoyourown,pleasedo

astheRomansdo.4.

fiercethecompetitionis,thereisagoodchancethatourteamwillwin

aslongaswehavemadefullpreparations.when

as/though

where

However

5.Wewereinsuchananxiousrush

⁠whenweleftweforgottotaketheairline

tickets.6.Somewomen

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