状语从句时间、地点、原因、条件、方式、让步、目的、结果、比较时间状语从句:when,while,as,after,before,since,until,once,assoonas,theminute/moment,hardly…when,nosooner…that地点状语从句:where,wherever原因状语从句:because,as,since,for,nowthat条件状语从句:if,unless,as/solongas,onconditionthat方式状语从句:as,justas,asif让步状语从句:though,although,evenif/though,as,however,whatever,nomatter,whether..or…目的状语从句:that,sothat,inorderthat,lest(免得)结果状语从句:sothat,so…that,such…that比较状语从句:as..as,notso/as…as,more…than,less…than,the+比较级…the+比较级1.MayIgoandplaywithDickthisafternoon,Mum?No,youcan'tgoout_______yourworkisbeingdone.A.beforeB.untilC.asD.themoment句中的yourworkisbeingdone表明你正在做作业,选as表原因。2.I'mgoingtothepostoffice._______you'rethere,canyougetmesomestamps?A.AsB.WhileC.BecauseD.If尽管as和while均可用作从属连词引导时间状语从句,表示“当……的时候”,但两者有一个重要区别,就是这样用的as从句的谓语不能是状态动词。(1)_______youareathomealone,pleasedon'tleavethedooropen.A.WhileB.AsC.BeforeD.How(2)_______youarealonewithher,tellherthatyoulikeher.A.WhileB.AsC.AfterD.HowAA3.Afterthewar,anewschoolbuildingwasputup______therehadoncebeenatheatre.A.thatB.whenC.whichD.where(1)Thefamousscientistgrewup_______hewasbornandin1930hecametoShanghai.A.whenB.wheneverC.whereD.wherever(2)Shefoundhercalculator_______shelostit.A.whereB.whileC.inwhichD.that(3)Youshouldmakeitaruletoleavethings_______youcanfindthemagain.A.whenB.whereC.thenD.which(4)Whenyoureadthebook,you'dbettermakeamark_____youhaveanyquestions.A.atwhichB.atwhereC.theplacewhereD.where(5)Youshouldletyourchildrenplay______youcanseethem.A.whereB.whenC.inwhichD.thatCABDA4.Theykepttrying_____theymusthaveknownitwashopeless.A.ifB.becauseC.whenD.wherewhen在此的意思不是当……的时候,而是尽管、虽然的意思。Hewalkswhenhemighttakeataxi.尽管他可以坐出租车,但他却走路。Hestoppedtryingwhenhemighthavesucceedednexttime.尽管他本来下次就可以成功的了,但他却停止努力了。Theboywasrestlesswhenheshouldhavelistenedtotheteachercarefully.这男孩子本来应该专心听老师讲的,但他却坐立不安。(1)Whydoyouwantanewjob______you'vegotsuchagoodonealready?A.thatB.whereC.whichD.whenwhen表示当……的时候,而不知道它还有其他许多意思,除上面提到的表示尽管、虽然外,when还可表示既然、考虑到。5.Hewasabouttotellmethesecret______someonepattedhimontheshoulder.A.asB.untilC.whenD.whilewhen意为“这时(突然)”,主要用于某一动作突然发生于另一动作正在进行或刚要发生之时。此时的when可以连用副词suddenly,也可以不连用它,但值得注意的是,不能单独用suddenly来代替when.(1)Iwasabouttogoout______thetelephonerang.A.whenB.suddenlyC.assoonasD.directly(2)Wewereswimminginthelake_______thestormstarted.A.whenB.suddenlyC.untilD.before(3)Shewaswalkingdowntheroad_______sheheardsomeoneshoutingforhelp.A.whenB.suddenlyC.untilD.beforeAAA6.Thefirewentonforquitesometime_______itwasbroughtundercontrol.A.whenB.sinceC.afterD.beforebefore意为在……之前,句意是大火在得到控制之前燃烧了相当一段时间。(1)Hemadeamistake,butthenhecorrectedthesituation_______itgotworse.A.untilB.whenC.beforeD.as(2)Someonecalledmeupinthemiddleofthenight,buttheyhungup________Icouldanswerthephone.A.asB.sinceC.untilD.before(3)Sheisgettingbetterbydegrees,butitwillbesometime_____sheiscompletelywell.A.thatB.sinceC.whenD.before(4)Theysatdownoppositeeachother,butitwassomemoments______theyspoke.A.afterB.beforeC.sinceD.whenCDDB7.Motheraskedmetotakemoremoney_______somethingunexpectedshouldhappen.A.incaseB.sothatC.inorderthatD.whenincase起连词作用,用以引导状语从句,主要有两种意思:一是表示条件,意为如果、万一;二是表示目的,意为以防、免得。(1)________Iforget,pleaseremindmeaboutit.A.IncaseB.SothatC.InorderthatD.When(2)Takeyourumbrellajust________itrains.A.incaseB.sothatC.inorderthatD.when(3)Bequiet_______youshouldwakethebaby.A.incaseB.sothatC.inorderthatD.when(4)Takeahatwithyouincasethesunisveryhot.A.incaseB.sothatC.inorderthatD.when(5).I'llkeephisaddress_____Ineedit.A.sothatB.inorderthatC.incaseD.whenAAAAC8._______yourcompositioncarefully,somespellingmistakescanbeavoided.A.HavingcheckedB.CheckC.IfyoucheckD.Tocheck选项A和D均为非谓语动词,根据英语语法习惯,非谓语动词作状语时,其逻辑主语应与句子主语一致,而此句的somespellingmistakes显然不能用作havingchecked或tocheck的逻辑主语,故不能选为答案;若选B,则两个句子之间缺少必要的连词,也不对。(1)________morecareful,theworkmighthavebeendonebetter.A.BeingB.HavingbeenC.IfyouhadbeenD.Tohavebeen(2)_______yourdiet,itiseasytoreduce.A.WatchingB.TobewatchingC.IfyouwatchD.Tohavewatched(3)_______apairofcompasses,itiseasytodescribeacircle.A.HavingB.TohavehadC.IfyouhaveD.ifhaving(4)_______forsomething,areceiptisgiventoyou.A.PayingB.HavingpaidC.WhenyouhavepaidD.Tobepaying(5)_______thesunrisingslowlyintheeast,thesceneisaperfectdream.A.SeeingB.TobeseeingC.WhenyouseeD.HavingseenCCCCC9.ShallMarycomeandplaycomputergames?No,_______shehasfinishedherhomework.A.whenB.sinceC.unlessD.assoonas此句为省略句,答句句首的No表明其后省略的是一个否定句,全句补充完整为:Shecan'tplaycomputergamesunlessshehasfinishedherhomework.(1)Wouldyoumindmysittingherewithyou?No,______youaren'ttoonoisy.A.whenB.ifC.unlessD.assoonas(2)Willheagreetocometojoinusinthework?No,_______wepromisehimmoremoney.A.whenB.unlessC.unlessD.assoonas(3)Canyoufinishtheworkintime?No,_______wedon'tsleepthroughoutthenight.“A.whenB.unlessC.unlessD.assoonasBBB10.Whendidheleavetheclassroom?Heleft_______youturnedbacktowriteontheblackboard.A.thetimeB.themomentC.untilD.sincethemoment用作连词,意为一……就……,相当于assoonas。类似地,theminute,theinstant也可用作连词,表示一……就……的意思。(1)DidyouremembertogiveMarythemoneyyouowedher?Yes,Igaveittoher________Isawher.A.whileB.themomentC.suddenlyD.until(2)Thedoorkeepergavethealarm__