狀語從句狀語從句在句中作狀語，修飾主句中的動詞、形容詞或副詞等。狀語從句放在主句之前時，常用逗號分開;放在主句之后，一般不用逗號。狀語從句按其意義和作用可分為時間、原因、地點、條件、讓步、目的、結果、方式、比較等9種。1.時間狀語從句時間狀語從句表示主句動作發(fā)生的時間，主要由when，while，as;before,after;till(until);once,bythetime,assoonas,nosooner...than和hardly...when及名詞詞組themoment等引導。1)when“在……的時候”;while“在……期間”;as“正當……的時候”when意為“在……的時候”，強調(diào)“特定時間”。Whenspringcame,hefeltlikeatrip.Whenhewaseatinghisbreakfast,heheardthedoorbellring.說明：連詞when在狀語從句中還有如下幾種含義：①表示突然發(fā)生的事，含義為“（正在……時）忽然”。IwasjustcomingalongtoseeyouwhenIranintoWilson.IhadbeenworkingacoupleofmonthswhenIhadaletterfromJane.②表示過早發(fā)生某事，意為“（還沒……）就”。此含義有時可用before代替。Ihadn’tbeenreadingforhalfanhourwhenIheardstepsoutside.我剛讀了不到半個小時就聽到外面有腳步聲。IhadbeentherelittlemorethanaweekwhenIsettoworkinearnest.③表示“在……的情況下”，?？勺g為“雖然”，“既然”，“如果”。Sherefuseshelpwhen(although)shehasmanyfriends.Whydoyouwalkwhen(since)youhaveacar?HowcanIhelpthemtounderstandwhen(if)theywon’tlistentome.④后接虛擬結構，含義為“本可以，應該……”。Hestoppedtryingwhenhemighthavesucceedednexttime.Theywereplayingwhentheycouldhavebeenworking.while意為“在……期間”，從句用持續(xù)性動詞，表時間的一段，而不是一點。Whilehewaseatinghisbreakfast,heheardthedoorbellring.Wemuststrikewhiletheironishot.說明：連詞while在狀語從句中還有如下幾種含義：①意為“然而，但是”，表示前后對照，說明兩種情況相反Tomisveryoutgoing,whileJaneisshyandquiet.Somepeoplewastefoodwhileothershaven’tenough.②意為“雖然，盡管”（多放句首），從句和主句主語多為同一人或物。WhileIunderstandwhatyousay,Ican’tagreewithyou.Whileforbiddenfruitissaidtotastesweeter,itusuallyspoilsfaster.雖然有人說禁果的味道更甜，但它腐爛得也更快。③意為“只要”。參看while引導條件狀語從句。as意為“正當”，強調(diào)同一時間里兩個相繼發(fā)生或變化的情況，或兩個動作一前一后，有時有“隨著……”的含義。Ashewaseatinghisbreakfast,heheardthedoorbellring.(強調(diào)同一時間）AsIwasgoingout,itbegantorain.(強調(diào)兩個動作先后發(fā)生）Asspringwarmsthegoodearth,allflowersbegintobloom.(as有“隨著”的含義）2)before“在……之前”，after“在……之后”強調(diào)事件的先后關系before表示兩件事的先后關系。主句為肯定句，before引導的從句動作后發(fā)生;主句為否定句，before引導的從句動作先發(fā)生。Istartedmymealbeforehearrived.(從句動作后發(fā)生）Hedidn’tarrivebeforeIreturned.(從句動作先發(fā)生）說明：在不同的結構中，連詞before在狀語從句中有如下幾種含義。①意為“…………（之后）才”，此結構主句常用肯定式，強調(diào)主句內(nèi)容持續(xù)的色彩。Itwillbetenyearsbeforewemeetagain.要10年后我們才能再見面。Itwaseveningbeforewereachedthatlittletown.傍晚時分我們才到達那個小鎮(zhèn)。②意為“（不久）…………就”，用“...notlongbefore”這一結構，強調(diào)時間的短暫Itwon’tbelongbeforeyouregret.不久你就會后悔的。Itwasn’tlongbeforehetoldmeaboutthisaffair.不久他就把這事告訴我了。③意為“不等/沒有……就”。從句常用肯定形式。（有時從句用過去完成時，但仍表示主句的動作先發(fā)生。）SheofferedmeacupofteabeforeIsatdown.沒等我坐下她就給我端上一杯茶。IleftuniversitybeforeI’dtakenthefinalexams.我沒有參加期末考就退學了。④意為“剛…………沒多久就…………”，“剛…………不到（多少時向）就…………”。主句常用否定的過去完成式，表示過早發(fā)生某事。句中的before有時可用when代替。Ihadn’twaitedlongbeforehecame.我剛等候不久他就來了。Theyhadnotbeenmarriedamonthbefore/whentheyquarreled.他們剛結婚不到一個月就吵架了。after引導狀語從句，用于表示主句和從句兩個動作的先后關系：HardlyhadIenteredtheroomwhenIheardaloudnoise.Nosoonerhadshesatdownthanthephonerang.Thedayhadscarcelybrokenbeforehegotuptowork.6)用下列time詞組引導，表某一特定時刻發(fā)生或存在的情況:thefirsttime, thelasttime, nexttime,everytime,eachtime, anytimeIthoughtherniceandhonestthefirsttimeImether.EverytimeIwenttohishouse,hewasout.NexttimeIseeyou,Iwillshowyoumynewdress.說明：thefirsttime=when...forthefirsttime.IthoughtherniceandhonestwhenImetherforthefirsttime.7)用下列名詞詞組轉(zhuǎn)化成時間連詞引導從句，表示兩個動作緊接著發(fā)生，可譯為“一……就……”：themoment,thesecond,theminute,theinstant,theday,themonth,theweek,theyear,themorning,theafternoonShecametothescenethemomentsheheardthenews.IrecognizedhertheinstantIsawher.Thedayherhusbanddied，shegavebirthtoason.高中時間狀語從句練習題一1.

I

learnt

her

hard-working

and

kind

_______

I

got

to

know

her

in

the

bookstore.

A.

first

time

B.

for

the

first

time

C.

the

first

time

D.

by

the

first

time2.

It

was

not

_______

he

took

off

his

dark

glass

____I

realise

who

he

was.

A.

when;

that

B.

until;

when

C.

when;

then

D.

until;

that3.

It

was

19

years

_______

Mandela,

the

former

president

of

South

Africa,

was

set

free

from

prison.

A.

before

B.

since

C.

until

D.

that

4.

_______

had

the

bell

rung

_______

the

students

took

their

seats.

A.

Hardly;

when

B.

No

sooner;

when

C.

Hardly;

than

D.

No

sooner;

then

5.We

walked

along

the

beach

for

nearly

three

hours

_______

we

saw

a

boat

on

the

sea.

A.

when

B.

before

C.

unless

D.

as

6.The

two

brothers

quarreled

and

quarreled

_______

they

felt

sleepy

and

went

to

bed.

A.

when

B.

before

C.

unless

D.

until

7.

It

was

quite

a

long

time

_______

I

made

it

out

what

had

happened.

A.

after

B.

before

C.

when

D.

since

8.

We

sent

the

injured

to

the

First-aid

Centre_______

the

accident

happened.

A.

immediately

B.

hurriedly

C.

quickly

D.

shortly9.Itseemedonlyseconds________theboyfinishedwashinghisface.A.whenB.beforeC.afterD.evenif10.Hardlyhadhereachedtheschoolgate________thebellrang.A.whileB.whenC.asD.assoonas11.Irecognizedyou________Isawyouattheairport.A.themomentB.whileC.afterD.once12.Hewasabouttogotobed________thedoorbellrang.A.whileB.asC.beforeD.when13.________Ilistentoyouradvice,Igetintotrouble.A.EverytimeB.WhenC.WhileD.Until14.Thechildrenranawayfromtheorchard______theysawtheguard.A.themomentB.afterC.beforeD.as15.NosoonerhadIarrivedhome_____itbegantorain.A.whenB.whileC.asD.than16.Severalweekshadgoneby_____Irealizedthepaintingwasmissing.A.as

B.before

C.since

D.when17.HewillhavelearnedEnglishforeightyearsbythetimehe_____fromtheuniversitynextyear.A.willgraduate

B.willhavegraduated

C.graduates

D.istograduate18.ItissaidthatanAmericanstartsaspeechwithajoke,_______aJapaneseseldom.A.as

Bwhen

Cthough

Dwhile19.Theykepttrying________theymusthaveknownitwashopeless.A.If

Bbecause

Cwhen

Dwhere20.It_____longbeforewe____theresultoftheexperiment.A.willnotbe;willknow

B.is;willknow

C.willnotbe;know

D.is;know21.–Whatwasthepartylike?--Wonderful.

It’syears_____Ienjoyedmyselfsomuch.A.after

B.before

C.when

D.since22.Thenewsecretaryissupposedtoreporttothemanagerassoonasshe_____.A.willarrive

B.arrives

C.isgoingtoarrive

D.isarriving23._____gotintotheroom_____thetelephonerang.A.Hehardlyhad;then

B.Hardlyhadhe;whenC.Hehadnot;then

D.Nothadhe;when24.Nosoonerhadhefinishedhistalk_____hewassurroundedbytheworkers.A.as

B.then

C.than

D.when25.MotherwasworriedbecauselittleAlicewasill,especially_____fatherwasawayinFrance.A.asB.thatC.duringD.if26.Iremember_____thisusedtobeaquietvillage.A.whenB.howC.whereD.whatII.

Fill

in

the

blanks

with

proper

conjunctions.

1.

she

got

the

pay,

she

put

it

away

in

the

bank.

2.

I

was

wandering

through

the

street

I

caught

sight

of

a

tailor’s

shop.

3.

He

was

drinking

juice

the

rest

of

us

drank

whisky.

4.

you

read

the

poem

a

second

time,

the

meaning

will

become

clearer

to

you.

5.

We

walked

along

the

seaside

about

two

hours

we

came

to

a

fisherman’s

village.

6.

The

sailor

stayed

on

the

lonely

island

a

ship

passed

there

and

saved

him.

7.

It

was

eight

years

the

Chinese

people

drove

off

the

Japanese

aggressors.1-15:

CDAAB

DBABBADAAD16-26:BCDCCDBBCAAAs

soon

as

whenwhileWhenbeforeuntilbefore1._____lastweek,shelivedaquietandhappylifeinthatarea.A.Notuntiltheearth-movingmachinescameB. Theearth-movingmachinescameC.Untiltheearth-movingmachin