状语从句的省略(精讲精练)

1、状语从句的省略一：状语从句中的省略省略句的规则1.当从句的主语和主句的主语一致（或许从句的主语为it）2.从句谓语中包含be动词如：bedoing,bedone,betodo，be+adj在此种情况下能够省去从句的主语和be动词储藏be此后的部分,被储藏部分常为现在分词、过去分词、不定式、形容词等.1。Dontspeakuntil（youare）spokento。2.IllbuyaTVsetif(itis)necessary。3。While（Iwas)walkingwalkingaloneinthestreet,Iheardmynamecalled.4。Tomraisedhishandasif

2、（hewas)tosaysomething。二:常有的几种状语从句的省略1.when，while，as,until引导的时间状语从句的省略while（theyare)visitingthecitytheyreeeivedawarmwelcomwhen（hewas）askedwhyhewaslate，hekeptsilent注意Afterfinishinghishomework,hewenthomehappily.Beforebeingrepaired，theTVsetneedsacarefulexamination.2.if，unless,once引导的条件状语从句的省略Onee(itis）b

3、egunitmustbedonewellUnless（youareinvited）tospeak,youshouldremainsilentattheconference。Correctmistakes，ifany.3.though,although,evenif,eventhough引导的退步状语从句的省略Thoughlackingmoney，hisparentsmanagedtosendhimtouniversity。4.asthough，asif，as引导的方式状语从句的省略Heshookhisheadasif(hewas)tosay：“Donttrusther.Sheleftthero

4、omhurriedlyasif（shewas)angry.Hestaredatthegirlasif（hewas)seeingherforthefirsttime.Youshouldfinishthehomeworkas(youare）required.than引导的比较状语从句的省略Theysentusmuchmorematerialsthanrequired.1._（在北京的时候)，IpaidavisittotheSummerPalace.2._（当是个年青人的时候),AbrahamLincolnwasastorekeeperandapostmaster。3。Hehasnomoney_（若

5、是有的话）,hewillgiveus。4。_(除非维修），themachineisofnouse。5._(若是给更多的关注）,Theboycouldhaveturnedoutbetter。6。Agirlstoodatthegateoftheschoolasif_(跟老师发言）。7。此次展览比猜想的幽默.8。她张开嘴好象要大哭起来。9。除非邀请,否则我不会去参加此次晚会。10。明天早点起来,若是不起来的话,你就赶不上第一班车了。11当我在造作业时，我听到有人喊救命.12.他篮球打得即便没你好，也最少同样好。1.When_,themuseumwillopentothepublicnextyear.

6、(complete）2。Theflowershisfriendgavehimwilldieunless_everyday.(water）3。Theboss,nottheworkersshouldberesponsiblefortheaccident.Theyjustcarriedouttheorderas_(tell4。When_whattheyneededmost,thekidssaidtheywantedtofeelimportantandloved。（ask）5。Onedaywhile_（work)atthecashregisterinthegiftshop，Isawanelderlyc

7、ouple。6.When_（finish），theknotlooksidenticalfromboththefrontandback。7.Theypromisetotakeaction，_needed,tomaintainfinancialstabilityintheeuroareaasawhole。8.ThebuildingwasstillshakingwhileI_（walk)alongtheroad.9.Friendshipislikemoney:easiermadethan_。（keep）10.WhenIwasatyouragemyfathertoldmethatIshouldgoan

8、dworkwherever_most.(need)二since,before,after引导的状语从句有时能够变成介词短语或分词短语。如：Theyhadnotmetanymoresinceleaving（=sincetheyleft）school.Havingfinished（Afterhehadfinished）middleschool,sheenteredBeijingUniversity.原因状语从句若是主从句主语一致，也能够将从句省略为分词短语,介词短语或独立构造.如:Being（=Asheis）theoldest，Billlooksafterhislittlesisters.Beca

9、useofsmoking（=Becausehesmokes）toomuch，Lindadoesntlookhealthy.sothat,inorderthat引导的目的状语从句，若主从句主语一致，能够用动词不定式短语soasto或inorderto代替。如：Ileftearlysoasto（=sothatIcould）catchthefirstbus.sothat，sothat引导的结果或程度状语从句若是主从句主语一致，能够用“enough+不定式”或“tooto构造代替。如：Tomstudiedhardenoughtopass（=Tomstudiedhardsothathepassed）th

10、eexamination。Shewastootiredto（sotiredthatshecouldnt）goanyfarther。if引导的条件状语从句,常可省去从句中的主语和系动词，变换为介词短语、不定式短语、分词短语或独立构造。如：If(itis）possible，Iwillhelpyou.Withherhelp(=IfIhadhelpfromher），Icoulddotheexperiment。as，than引导的比较状语从句中，与主句同样的部分能够省略。如:HeisaheadtallerthanI（amtall）.When_forhisviewsabouthisteachingjob，

11、Philipsaidhefounditveryinterestingandrewarding.A。askingB.askedC。havingaskedD。tobeaskedFilmhasamuchshorterhistory，especiallywhen_suchartformasmusicandpainting。A.havingcomparedtoB。comparingtoC。comparetoD。comparedtoTheexperimentshowsthatproperamountsofexercise，if_regularly,canimproveourhealth。Weallknow

12、that，_,thesituationwillgetworse.A。notifdealtcarefullywithB。ifnotcarefullydealtwithC.ifdealtnotcarefullywithD.notifcarefullydealtwithWhen_aboutwhatshethoughtofthemovie，shejustsaiditwasworthseeingasecondtime。Inclasses，youdbetterunderstandasmuchaspossiblewhile_notes.Onlineshopping，whenproperly_,cansavealotoftime，moneyandenergy。A.doneB.isdoneC.havingdoneD。doingThough_ofdanger，sightseeershavebeenflockingtothesitewheretheworldrroristBinladensbiggesttelived。A。warnedB。warningC。beingwarnedD。havingwarnedNoonecanwalkthewireintheairwithoutabitoffearunl