第04講狀語從句-【暑假自學課】2023年新高二英語暑假精

品課(外研版2019選擇必修1)第04講狀語從句

《學與目標彳

?,掌握常見狀語從句的連詞意思。

2.特殊連詞和時態的關系以及省略句(必修3Unit6)。

［董基礎知3

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狀語是什么？

基本概念：

(1)概念：狀語從句在復合句中作狀語，修飾主句中的動詞、形容詞、副詞等。

(2)句型特點：

狀語從句可以放在主句之前，也可以放在主句之后。放在主句之前時，常用逗號與主句分開；放在主

句之后時，不用逗號。

2.分類及引導詞

狀語從句引導詞

時間狀語從句when,while,as,before,after,unt?l(till),assoonas,since

條件狀語從句if,unless

原因狀語從句because,as,since

方式狀語從句Asif,theway

結果狀語從句so...that...,such...that...

目的狀語從句sothat,inorderthat

讓步狀語從句(hough,although,evenif,eventhough,nomatter...

比較狀語從句than,as...as...

Q考點剖析

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考點一：時間狀語從句

1)When/while/as

活學活用：Louiscomputergameswhenherbrotherphonedher.

A.playsB.isplaying

C.hasplayedD.wasplaying

Iwasabouttogoouttheteachercamein.

yearsgoby,Chinaisgettingstrongerandricher.

Thesonwashavingagoodmealathome,theparentswereworkinginthefields.

Ihadhardlyclosedmyeyessomeoneknockedatthedoor.

溫馨小貼士：When常考結構：

beabouttodo...when/beonthepointofdoing...when

bedoing...when

...hadjustdone...when.../...hadhardly/scarcely...when

2)after/before/since

Jane,pleaseturnoffthelightsyouleavetheclassroom.

A.afterB.beforeC.untilD.since

3)until/till

一Hurryup!Thebusiscoming.

—Waitaminute.Don,tcrossthestreetthetrafficlightsaregreen.

A.untilB.after

C.whileD.since

4)assoonas,theminute.....

Tomwillcallmeassoonashehome.

A.getsB.hasgot

C.gotD.willget

4）表示“一….??就...”的從屬連詞：assoonas;theminute,thesecond,theinstant;immediately,directly,

instantly;nosooner...than...,hardly...when....

-DidyouremembertogiveMarythemoneyyouowedher?

-Yes,?gaveittoherIsawher.

A.whileB.themomentC.suddenlyD.once

5).可引導時間狀語從句的time短語：everytime,eachtime,(the)nexttime,(the)Iasttime,thefirsttime,

anytime等.

IthoughtherniceandhonestImether.

A.firsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime

6),Itbe...since/before/when...句型：

①“Itis/hasbeen+時間段+since從句謂語為終止性動詞表示“自從……以來有多久了''；但若從句謂詞是

延緩性動詞時，則意為“(多久)不做……了”；

ItistwomonthssinceWecamehere.

Ithasbeenfiveyearssincehesmoked.

②"Itwillbe/was+時間段+before...”肯定句：表示“過……之后才……否定句：表示“沒過……就……

③“Itbe+時間點+when...”表示“當...時,時間是....注意比較和強調句的不同。

練習：

①ItisalmostfiveyearsWesaweachotherlasttime.

A.beforeB.sinceC.afterD.when

②Thatwasreallyasplendidevening.It'syearsIenjoyedmyselfsomuch.

A.whenB.thatC.beforeD.since

［、,例1.【單句填空】

(用before,when,since,that填空)

1.Itwastwoyearsherealizedthetruth.

2.Itwillbetwoyearstheeconomicsituationimproves.

3.Itwastwoyearslaterherealizedthetruth.

4.Itis/hasbeentwoyearshelivedhere.

5.Itwasmidnighthearrivedhome.

6.Itwasatmidnighthearrivedhome.

7.Itwasnotuntilmidnighthearrivedhome.

考點二：條件狀語從句

從屬連詞有：if,unless(=if...not),as/solongas,SUPPOSing(that)(如果),provided∕providing(that)(如果),in

case(假使),onconditionthat(在...的條件下)等。

2.【單句填空】

Ifyoureallyholdontoyourdreams,theytrueoneday.

A.cameB.comes

C.hascomeD.willcome

Iknowthemoneyissafe,Ishallnotworryaboutit.

A.EventhoughB.UnlessC.AslongasD.While

考點三：原因狀語從句

原因狀語because/since/asnowthatinthat

—Iseveryoneheretoday?

—No.Tomisathomehehasgotabadcold.

A.becauseB.ifC.untilD.unless

引導原因狀語從句的從屬連詞有because,as,since,now（that）,when（既然），as,seeing（that）（由于）,considering

（that）,given（that）（考慮到）等。

溫馨提示:for引導的原因狀語從句不放在句首。

?j3.【單句填空】

?Parentsshouldtakeseriouslytheirchildren,srequestsforsunglasseseyeprotectionisnecessaryinsunny

weather.

A.becauseB.thoughC.unlessD.if

②everybodyknowsaboutit,?don,twanttotalkanymore.

A.ForB.EvenC.SinceD.However

考點四：地點狀語從句

引導詞：where（在。。。的地方）或WhereVer（在。。。的任何地方）

【針對練習】

Thefamousscientistgrewuphewasbornandin1930hecametoShanghai.

A,whenB,wheneverC,whereD.wherever

區別：Where引導的定語從句和狀語從句

You,dbettermakeamarkwhereyouhaveanyquestions.從句

You,dbettermakeamarkattheplacewhereyouhaveanyquestions.從句

考點五：目的狀語從句

sothat...inorderthat...

[?產5.【單句填空】

Theteacherspeaksveryloudlyallthestudentscanhearher.

A?sothatB.because

C.sinceD.when

考點六：結果狀語從句so...that....Such...that...

Patternshift:Thatlessonissodifficultthatnobodycanunderstandit.

結果狀語從句常由So…that或SUCh…that引導，掌握這兩個句型，首先要了解So和SUCh與其后的詞的搭

配規律。

so+adj./adv.+that...

so+adj.+a/an+n.（單）÷that...

so+many/much/few∕little（少）+that...

{such+a∕an+adj.+n（單）+that...

such+adj.+n.（pl.）/n.（u）÷that...

溫馨貼士：當So或SUCh置于句首時，主句要用部分倒裝

Soloudlydidhespeakthateveryonecouldhearhim.

?、闞6.【單句填空】

φPopmusicissuchanimportantpartofsociety_—ithaseveninfluenceourlanguage.

A.asB.thatC.whichD.where

②HisplanwassuchagoodoneWeallagreedtoacceptit.

A.soB.andC.thatD.as

考點七：讓步狀語從句

拓展：引導讓步狀語從句的從屬連詞有although,though,as,while（雖然）,evenif∕though（即

使）,whether…Or…（不論/不管...還是....）以及“疑問詞+ever"和"nomatter+疑問詞”等。

7.【單句填空】

1）Though∕although

manychildrenlikeKFC,Ithinkthey'dbettertrynottoeatittoooften.

A.BecauseB.WhenC.AlthoughD.If

2）evenif7eventhough

Correction:Evenwecouldaffordit,Wewouldn'tgoabroad.

3）nomatter....

Correction:Nomatterhowyousay,Iwon'tchangemymind.

溫馨貼士：as引導讓步狀語從句時，狀語表語及謂語動詞的一部分置于as之前，且作表語的單數名詞前的

冠詞要省略。即構成：表語/狀語/動詞（原）+as+主+謂+其他。

1.形容詞+as+主語+系動詞。Tiredasheis,heofferstohelpme.

2.過去分詞+as+主語+系動詞。

Well-writtenasthebookis,theauthorisnotsatisfiedandpreparedtoreviseit.

3.名詞+as+主語+系動詞。如：Studentasheis,hedoesnotstudyhard.

若表語是單數名詞，倒裝時要省略冠詞。

4.副詞+as+主語+謂語部分。如:MuchasIadmirehiscourage,Idon,tthinkheactedwisely.

5.動詞原形+as+主語+謂語的一部分（情態動詞may,might,will,would等）。

Tryasshemight,shefailed.

[考例1],?haveneverseenanyonewho,sascapableasJohn.

A.AslongasIhavetraveledB.NowthatIhavetraveledsomuch

C.MuchasIhavetraveledD.AsIhavetraveledsomuch

[考例2],Carolinacouldn,tgetthedooropen.

A.TryasshemightB.AsshemighttryC.ShemightastryD.Mightsheastry

考點八：比較狀語than...as...as...

Wedon'thavemuchhomeworknowandourschoolbagsaretheyusedtobe.

A.asheavyasB.notasheavyas

C.asheavilyasD.notasheavilyas

考點九：方式狀語從句asasiftheway

拓展：省略句(必修3Unit6)

狀語從句的省略(重點)

在when,while,whenever,before,afterttill,if,unless,asif,though,than,as等引導時間狀語從句，

條件狀語從句和讓步狀語從句中，若謂語部分含有be動詞，而從句主語又與主句主語相同或從句主語是it

時，從句的主語和be動詞常被省略。

(1)狀語從句含有itis或者主從句主語一致且含有be動詞時，省略主語和be動詞。

(2)從屬連詞接現在分詞強調與句子主語之間的主動關系，用過去分詞強調二者之間被動關系。

例1：If(itis)necessary,you,dbetterrefertothedictionary.如果有必要，你最好查字典。

例2：While(Iwas)walkingalongthestreet,Iheardmynamecalled.走在大街上我聽到有人叫我名字。

例3：Theactivityismoreinterestingthan(itwas)expected.這個活動比預計的有趣很多。

［注意］特殊的省略結構：if省略結構，常作為插入語來處理。

ifso如果這樣的話；ifnot若非如此；ifever如果曾經有的話

ifnecessary如果有必要的話；ifpossible如果可能的話；ifany如果有的話

Ifpossibleletmeknowbeforehand.如有可能，事先通知我。

(4)Getupearlytomorrow,ifnot(youdon'tgetupearly),youwillmissthefirsttrain.

明天早點起床，如果不的話，你將會錯過頭班車。

(5)Whenever(itis)possible,hewillcometomyhelp.

他會在任何可能的時候來幫助我。

【活學活用】

在空白處填入1個適當的單詞。

1.Nochildshallbe,unless(accompany)byanadult,allowedoutoftheschoolduringtheday.

2.Anyone,once(test)positivefornovelcorona-virus,willreceivefreemedicaltreatmentfromour

government.

3.While(do)myhomeworkathome,?heardmynamecalled.

【答案與解析】

1.accompaniedo動詞accompany與句子主語構成邏輯上被動關系，故用過去分詞。故答案是accompanied。

2.testedO動詞test與句子主語構成邏輯上被動關系，故用過去分詞。故答案是tested。

3.doingo動詞do與句子主語構成邏輯上主動關系，故用現在分詞。故答案是doing。

真題演練

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l.Itwasnotwidelyacceptedasatravelconceptthelate1980s.

2.Theykeptverymuchtothemselves.Inmyopinion,whereintrouble,WeshouldseekhelpfromthoseWetrust

most.

3.1alsowatertheflowersintheyardandtidyupmyownbedroomwhatevernecessary.

4.1studyItalianIwouldbeabletoreadDanteintheoriginal.

A.sothatB.eventhoughC.incaseD.asif

5.Undertheregulation,restaurantsandhotelsshallstopofferingthrowawayitemscustomersrequestthem.

A.sinceB.onceC.unlessD.until

6.havingaroommateinevitablyhasitschallenges,itcanalsobeagreatpartofyourcollegeexperience.

A.WhileB.WhenC.AsD.If

7.1onlytakeonworkthatexcitesmeitmeansturningdownlotsofmoney.

A.asifB.incaseC.nowthatD.evenif

8.—Whatareyougoingtodothisafternoon?

一I'llprobablygoforawalklateronitstaysfine.

A.asfarasB.solongas

C.evenifD.asif

9.Thoughitis5yearsheretiredfromhisworkplace,theoldprofessorremainsactiveintheacademic

circles.

AwhenB.thatC.beforeD.since

10,thestudentscamefromdifferentcountries,theygotalongquitewellinthesummercamp.

A.WhileB.Unless

C.SinceD.Until

11.richonemaybe.thereisalwayssomethingonewants.

A.WhateverB.WheneverC.HoweverD.Wherever

12.——?amgoingtoHainanformyholiday.

----OK.Havefunyoucan.Thehardtimesareapproaching.

A.untilB.beforeC.unlessD.while

13.Maryrushedhomesheheardthenews,onlythatherhusbandwasgone.

A.assoonas;findingB.immediately;tofind

C.themoment;findD.when;found

14.thereisawidevarietyofclothesinherwardrobe,theladystillcomplainsabouthavingnosuitable

clothestowear.

A.EventhoughB.ProvidedthatC.IfonlyD.Asif

ι［晝過關檢測

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用括號內所給單詞的適當形式填空或單句改錯。

1.If(accept)forthejob,you,llbeinformedsoon.

2..Although(beat)bytheoppositeteam,wedidn,tloseheartandencouragedeachother.

3.一Whoshouldberesponsiblefortheaction?

一Thebossistoblame.Theemployeesjustcarriedouttheorderas(tell).

4,When(expose)todangerandconflict,mentendtoincreasebloodpressure,feelingnervousor

anxious.

5,Thecitynowismuchnoisierthanitused(be).

6,1maytakealonglunchbreaktomoπ*ow.If,Icangotothehairdresser,sthen.

7.Theseflowerswilldieunless(water)everyday.

8.Though(warn)ofthedanger,Jackstillwentswimminginthelake.

9.Though(lack)inconfidence,Tommadeeveryeffortandhisdreamcametrueatlast.

10.Hestoppedandlookedaroundasif(see)whetherhewentintherightdirection.

11.itnotforthesupportoftheteachers,thestudentcouldnotovercomeherdifficulty.

12.That,sourviewonhousework.Andhopesthiscaninspiremorethinkingonthetopic!

13.Afterarrivedhome,itoccurredtohimthathecouldmakeabagbyusinghisoldtrousers.

14.Wecan'tcarryontheexperimentunlessbeinggivenenoughfinancialsupport.

15.Shefoundherlostringwhilefoldedclothes.

16.Whilewalkedalongthepaths,youcanhearthesweetsongsofbird.

17.Whencombiningwithalcohol,somemedicinecanhaveextremelydangeroussideeffects.

復盤：

OneSaturdaymorning,whenIwaslisteningtomyfavoritesongs,mymotheraskedmetodomyhomework

first.However,assoonassheleft,IturnedtomyMP3again.Ididn,tstarttodomyhomeworkuntilIheard

somebodyopeningthedoor.HardlyhadItakenoutmyopenwhenmymothercameback.MyMumwasveryangry,

“EverytimeIgoout,youwilldootherthingsinsteadofdoinghomework.IthasbeentwohourssinceIleft.How

muchhomeworkhadyoufinishedbythetimeIenteredtheroom?YoubegantodootherthingsthemomentI

steppedoutoftheroom,didn,tyou7,,Itwashalfanhourbeforeshestoppedscoldingme.IhopeIwillgetridofthe

badhabitsastimegoesby.IpromiseIwillnotdothesamethingwhenshegoesoutnexttime.

思考：

1.狀語從句有哪幾大類？對應的連詞是哪些？

2.分析文章每個句子屬于哪一類狀語從句？

不同語境中長難句狀語從句的使用

1.Notonly...butalso...

1)Notonlydidtheraceenrichourafter-classactivities,butalsoitstrengthenedourwillpower.

翻譯：

2)這個專欄不僅拓寬了我的視野，也讓我有機會體驗不同的文化。

仿寫：

2.祈使句+and/or+陳述句

1)Bookticketsandroomsonlineinadvance,andyouwillhavemoretimetogosightseeing.

翻譯：

(2)來參觀展覽吧，你將享受一場視覺盛宴。

仿寫：

3.So...that.

(1)Theirpopcornwassodeliciousthatitwassoldoutsoon.

翻譯：

(2)驚喜是如此甜蜜，她興奮地搖了搖正假裝打鼾的丈夫。

仿寫：

4.Bedoing...when...

(I)Macwaswonderingwhattodonextwhenahandpulledhimintothecar.

翻譯：

(2我們正在找地方搭帳篷，這時媽媽告訴我們她忘了帶帳篷。

仿寫：

5.Notuntil...

(1)Notuntilafterwhatseemedhalfacenturydidweheartheroarofthehelicopter.

翻譯：

(2)直到昨天我才得知我們班這個周末要開一個重要的會議一一正好是我們見面的時間。

仿寫：

第04講狀語從句

3.掌握常見狀語從句的連詞意思。

4.特殊連詞和時態的關系以及省略句(必修3Unit6)。

基礎知識

--------------IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII---------------

狀語是什么？

基本概念：

(1)概念：狀語從句在復合句中作狀語，修飾主句中的動詞、形容詞、副詞等。

(2)句型特點：

狀語從句可以放在主句之前，也可以放在主句之后。放在主句之前時，常用逗號與主句分開；放在主

句之后時，不用逗號。

2.分類及引導詞

狀語從句引導詞

時間狀語從句when,while,as,before,after,unti?(till),assoonas,since

條件狀語從句if,unless

原因狀語從句because,as,since

方式狀語從句Asif,theway

結果狀語從句so...that...,such...that...

目的狀語從句sothat,inorderthat

讓步狀語從句though,although,evenif,eventhough,nomatter...

比較狀語從句than,as...as...

ι∣C考點剖析

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考點一：時間狀語從句

1)When/while/as

活學活用：Louiscomputergameswhenherbrotherphonedher.

A.playsB.isplaying

C.hasplayedD.wasplaying

Iwasabouttogoouttheteachercamein.

yearsgoby,Chinaisgettingstrongerandricher.

Thesonwashavingagoodmealathome,theparentswereworkinginthefields.

Ihadhardlyclosedmyeyessomeoneknockedatthedoor.

溫馨小貼士：When常考結構：

beabouttodo...when/beonthepointofdoing...when

bedoing...when

...hadjustdone...when.../...hadhardly/scarcely...when

2)after/before/since

Jane,pleaseturnoffthelightsyouleavetheclassroom.

A.afterB.beforeC.untilD.since

3)until/till

—Hurryup!Thebusiscoming.

—Waitaminute.Don,tcrossthestreetthetrafficlightsaregreen.

A.untilB.after

C.whileD.since

4)assoonas,theminute.....

Tomwillcallmeassoonashehome.

A?getsB.hasgot

C.gotD.willget

4)表示“一...就...''的從屬連詞：assoonas;theminute,thesecond,theinstant;immediately,directly,

instantly;nosooner...than...,hardly...when....

-DidyouremembertogiveMarythemoneyyouowedher?

-Yes,1gaveittoherIsawher.

A.whileB.themomentC.suddenlyD.once

5).可引導時間狀語從句的time短語：everytime,eachtime,(the)nexttime9(the)lasttime,thefirsttime,

anytime等.

IthoughtherniceandhonestImether.

A.firsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime

6),Itbe...since/before/when...句型：

①“Itis/hasbeen+時間段+since…”從句謂語為終止性動詞表示“自從……以來有多久了''；但若從句謂詞是

延緩性動詞時，則意為“(多久)不做……了”；

Itistwomonthssincewecamehere.

Ithasbeenfiveyearssincehesmoked.

②“北川114》5￥濫+時間段+改丘也..“肯定句：表示“過……之后才……,,;否定句：表示“沒過……就

③“Itbe+時間點+when…”表示“當...時，時間是....”。注意比較和強調句的不同。

練習：

?ItisalmostfiveyearsWesaweachotherlasttime.

A.beforeB.sinceC.afterD.when

②Thatwasreallyasplendidevening.It,syearsIenjoyedmyselfsomuch.

A.whenB.thatC.beforeD.since

1.【單句填空】

(用before,when,since,that填空)

1.Itwastwoyearsherealizedthetruth.

2.Itwillbetwoyearstheeconomicsituationimproves.

3.Itwastwoyearslaterherealizedthetruth.

4.Itis/hasbeentwoyearshelivedhere.

5.Itwasmidnighthearrivedhome.

6.Itwasatmidnighthearrivedhome.

7.Itwasnotuntilmidnighthearrivedhome.

考點二：條件狀語從句

從屬連詞有：if,unless(=if...not),as/solongas,supposing(that)(?□M),provided∕providing(that)(如果),in

case(假使)，onconditionIhat(在...的條件下)等。

2.【單句填空】

Ifyoureallyholdontoyourdreams,theytrueoneday.

A.cameB.comes

C.hascomeD.willcome

Iknowthemoneyissafe,Ishallnotworryaboutit.

A.EventhoughB.UnlessC.AslongasD.While

考點三：原因狀語從句

原因狀語because/since/asnowthatinthat

—Iseveryoneheretoday?

一No.Tomisathomehehasgotabadcold.

A.becauseB.ifC.untilD.unless

引導原因狀語從句的從屬連詞有because,as,since,now(that),when(既然)，as,seeing(that)(由于),considering

(that),given(that)(考慮到)等。

溫馨提示:for引導的原因狀語從句不放在句首。

3.【單句填空】

?Parentsshouldtakeseriouslytheirchildren,srequestsforsunglasseseyeprotectionisnecessaryinsunny

weather.

A.becauseB.thoughC.unlessD.if

②everybodyknowsaboutit,1don,twanttotalkanymore.

B.ForB.EvenC.SinceD.However

考點四：地點狀語從句

引導詞：where（在。。。的地方）或WhereVer（在。。。的任何地方）

4.【針對練習】

Thefamousscientistgrewuphewasbornandin1930hecametoShanghai.

A,whenB,wheneverC,whereD.wherever

區別：Where引導的定語從句和狀語從句

You,dbettermakeamarkwhereyouhaveanyquestions.從句

You'dbettermakeamarkattheplacewhereyouhaveanyquestions.從句

考點五：目的狀語從句

sothat...inorderthat...

5.【單句填空】

TheteacherspeaksVeryloudlyallthestudentscanhearher.

A.sothatB.because

C.sinceD.when

考點六：結果狀語從句so...that....Such...that...

Patternshift:Thatlessonissodifficultthatnobodycanunderstandit.

結果狀語從句常由SO…that或SUCh...that引導，掌握這兩個句型，首先要了解So和SUeh與其后的詞的搭

配規律。

so+adj./adv.+that...

so+adj.+a/an+n.(單)+that...

so÷many/much/few∕little(少)+that...

{such+a∕an+adj.÷n(單)+that...

such+adj.+n.(pl.)/n.(u)+that...

溫馨貼士：當So或SUCh置于句首時，主句要用部分倒裝

Soloudlydidhespeakthateveryonecouldhearhim.

@Popmusicissuchanimportantpartofsociety_____ithaseveninfluenceourlanguage.

A.asB.thatC.whichD.where

②Hisplanwassuchagoodoneweallagreedtoacceptit.

A.so氏andC.thatD.as

考點七：讓步狀語從句

拓展：引導讓步狀語從句的從屬連詞有although,though,as,while（雖然）,evenif∕though（即

使）,whether...or...（不論/不管...還是....）以及“疑問詞+ever”和“nomatter+疑問詞”等。

7.【單句填空】

1)Though∕although

manychildrenlikeKFC,?thinkthey,dbettertrynottoeatittoooften.

A.BecauseB.WhenC.AlthoughD.If

2)evenif/eventhough

Correction:Evenwecouldaffordit,wewouldn'tgoabroad.

3)nomatter....

Correction:Nomatterhowyousay,Iwon,tchangemymind.

溫馨貼士：as引導讓步狀語從句時，狀語表語及謂語動詞的一部分置于as之前，且作表語的單數名詞前的

冠詞要省略。即構成：表語/狀語/動詞（原）÷as÷主+謂+其他。

1.形容詞+as+主語+系動詞。Tiredasheis,heofferstohelpme.

2.過去分詞+as+主語+系動詞。

Well-writtenasthebookis,theauthorisnotsatisfiedandpreparedtoreviseit.

3.名詞+as÷主語+系動詞。如：Studentasheis,hedoesnotstudyhard.

若表語是單數名詞，倒裝時要省略冠詞。

4.副詞+as+主語+謂語部分。如：MuchasIadmirehiscourage,Idon,tthinkheactedwisely.

5.動詞原形+as+主語+謂語的一部分（情態動詞may,might,will,would等）。

Tryasshemight,shefailed.

[考例1],Ihaveneverseenanyonewho,sascapableasJohn.

A.AslongasIhavetraveledB.NowthatIhavetraveledsomuch

C.MuchasIhavetraveledD.AsIhavetraveledsomuch

【考例2],Carolinacouldn,tgetthedooropen.

A.TryasshemightB.AsshemighttryC.ShemightastryD.Mightsheastry

考點八：比較狀語than…as...as...

Wedon,thavemuchhomeworknowandourschoolbagsaretheyusedtobe.

A.asheavyasB.notasheavyas

C.asheavilyasD.notasheavilyas

考點九：方式狀語從句asasiftheway

拓展：省略句（必修3Unit6）

狀語從句的省略（重點）

在when,while,whenever,before,after,till,if,unless,asif,though,than,as等弓I導時間狀語從句，

條件狀語從句和讓步狀語從句中，若謂語部分含有be動詞，而從句主語又與主句主語相同或從句主語是it

時?，從句的主語和be動詞常被省略。

（3）狀語從句含有itis或者主從句主語一致且含有be動詞時，省略主語和be動詞。

（4）從屬連詞接現在分詞強調與句子主語之間的主動關系，用過去分詞強調二者之間被動關系。

例1：If（itis）necessary,you,dbetterrefertothedictionary.如果有必要，你最好查字典。

例2：While(Iwas)walkingalongthestreet,Iheardmynamecalled.走在大街上我聽到有人叫我名字。

例3：Theactivityismoreinterestingthan(itwas)expected.這個活動比預計的有趣很多。

［注意］特殊的省略結構：if省略結構，常作為插入語來處理。

ifso如果這樣的話；ifnot若非如此；ifever如果曾經有的話

ifnecessary如果有必要的話；ifpossible如果可能的話；ifany如果有的話

Ifpossible?letmeknowbeforehand.如有可能，事先通知我。

(4)Getupearlytomoιτow,ifnot(youdon'tgetupearly),youwillmissthefirsttrain.

明天早點起床，如果不的話，你將會錯過頭班車。

(5)Whenever(itis)possible,hewillcometomyhelp.

他會在任何可能的時候來幫助我。

【活學活用】

在空白處填入1個適當的單詞。

1.Nochildshallbe,unless(accompany)byanadult,allowedoutoftheschoolduringtheday.

2.Anyone,once(test)positivefornovelcorona-virus,willreceivefreemedicaltreatmentfromour

government.

3.While(do)myhomeworkathome,?heardmynamecalled.

【答案與解析】

1.accompaniedo動詞accompany與句子主語構成邏輯上被動關系，故用過去分詞。故答案是accompanied。

2.testedo動詞test與句子主語構成邏輯上被動關系，故用過去分詞。故答案是IeSled。

3.doingo動詞do與句子主語構成邏輯上主動關系，故用現在分詞。故答案是doing。

1域真題演練

----------------IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII-----------------

l.Itwasnotwidelyacceptedasatravelconceptthelate1980s.

【答案】until

【解析】

考查狀語從句連詞。根據空前有not可知，此處until與not一起構成固定用法not...until,意為"直到

才……"?句意：直到20世紀80年代后期，它才作為一種旅游概念被廣泛接受。故填Unti1。

2.Theykeptverymuchtothemselves.Inmyopinion,whereintrouble,weshouldseekhelpfromthosewetrust

most.

［答案】where→when∕whenever

【解析】

考查狀語從句連詞。句意：在我看來，當我們有麻煩時(無論什么時候我們有麻煩時)，我們應該從我們

最相信的人們那里尋求幫助。分析可知，本句為含有狀語從句的復合句。主句為WeShOUldSeekhelP…，從

句表示的含義為無論什么時候我們有麻煩或者當我們有麻煩時，所以應用When/whenever引導。故where改

為WhenZwhenevero

3.1alsowatertheflowersintheyardandtidyupmyownbedroomwhatevernecessary.

【答案】whatever→whenever

【解析】

考查狀語從句連詞。句意：我也給院子里的花澆水，必要時打掃我自己的臥室。根據句意可知，此處表達“有

必要時我也會打掃自