时间状语从句(与金华初中教材配套)

GrammarModuleThree——Adverbialclauseoftime时间状语从句常由下列连词引导：when,while,as,before,after,till,until,since,once,assoonas,wheneverWheneverwemetwithdifficulties,theywouldcometohelpus.Onceyouunderstandtherulesofthegame,you’llenjoyit.Theboycriedassoonashesawhismother.aswhilewhen从句动词意义as延续性动词或短暂性动词强调动作同时进行，一边……一边when延续性动词，或短暂性动词同时发生，或从句的动作发生在主句动作前后。While延续性动词,多用过去进行时同时发生，往往侧重主句和从句动作的对比while&when()1.______theteachercamein,thestudentsweretalkingandlaughing.A.whileB.sinceC.whenD.thetime()2.Sandywasoperatingonherpatient______Sammywasputtingoutfires.A.whileB.byC.whenD.before()3.Idon’tlikeMike.Heislazy.Hewasalwaysplayingcomputergames______hermotherwasworkinghardattheirhousework.A.asB.whileC.untilD.whenCAB1.when和whenever引导的从句：从句的动作和主句的动作可以同时发生，也可以先于主句的动作而发生。Whenwegothome,itwasalreadydark.Ithoughtofitjustwhenyouopenedyourmouth.When从句中的动词既可以是短暂动词，也可以是延续动词。而while从句中的动词只能是延续性动词。HetookabathwhileIwaswatchingTV.2.while和as引导的从句：while表示“当…时”，从句中的动词常用进行时态，强调某一段时间内主句和从句的动作在同时发生。As表示“在…过程中”或“一边…一边…”，主句和从句的动作同时发生。Whilewewerecleaningthewindows,theyweresweepingthefloor.3.before和after引导的从句：before表示主句的动作发生在从句动作之前，after表示主句的动作发生在从句动作之后。①Ididn'tknowanyEnglishbeforeIstartedschool.②Afterhehadfinishedhiswork,heplayedchesswithhischild.4.till和until引导的从句：表示“直到…”，主句和从句都为肯定式时，till和until都可用；表示“直到…才”，主句用否定式，从句用肯定式，一般用until。①Theyworkedtill/untilitwasmidnight.②Theyweresoexcitedthattheydidn'tfallasleepuntilitwasalmostdawn.③NotuntilIshoutedatthetopofmyvoicedidtheybecomequiet.5.since和eversince引导的从句：表示“自从…以来”，从句一般表示动作的起点，用过去时；主句表示动作延续的情况，一般用现在完成时或现在完成进行时。如果主句表示的是时间，主句可用一般现在时，也可用现在完成时。①Sincehecamehere,hehasmadealotoffriends.②Hehasbeenworkinghereeversinceheleftuniversity.③Itis/hasbeen20yearssinceIstartedtolearnEnglish.5.一些表示时间的名词词组或副词也用作连词，引导时间状语句。themoment,theminute,eachtime,earlytime,thefirsttime,thelasttime,bythetime,nexttime,directly，immediately,ىI’lltellyouaboutitthemomentyoucome.ىIrecognizedherdirectlyIsawher.ىI’mgoingtoseehimnexttimehecomestoShanghai.ىIgotintouchwithhimimmediatelyIreceivedhisletter.ىThefirsttimeIsawhim,hewasworkinginafactory.hardly……when,nosooner……than一…就…，刚…就…。主句用过去完成时。Wehadhardlybegunwhentheyaskedustostop.Wehadnosoonerbegunthantheyaskedustostop.HardlyhadIgothomewhenitbegantorain.NosoonerhadIgothomethanitbegantorain.beforelong/longbefore:1.beforelong(=soon;byandby)不久以后，(与过去时或将来时连用）longbefore/ago很久以前,(常与过去时连用）Itbe+时间+before从句(1)Thebookwillbepublishedbeforelong/soon.(2)Theyleftthecitybeforelong/soon.(3)Hehadlefthishomelandlongbeforeliberation.(4)Itwas(not)longbeforetheyreachedthevillage.(5)Itwon’tbelongbeforewemeetagain.Itislongbefore…很久才…Itwon’tbelongbefore…不久就…考题:____hewillreturntohisnativeland.A.ItislongbeforethatB.ItisbeforelongthatC.Itwon’tbelongbeforeD.ItwillbebeforelongthatB1.我们到这个城市很久之前,彼此就认识.2.我希望不久后再见到你.3.他们早就把工作完了.Wehadknowneachotherlongbeforewecametothiscity.IhopeIwillmeetyouagainbeforelong/soon.They(had)finishedtheworklongbefore/ago.不把before译成“在…之前”的用法1.Itwaslongbeforehecame.2.HewentawaybeforeIhadtimetoreply.3.Proveanideabeforehewasreadytoacceptit.4.Ihadnotwaitedlongbeforeshecame.5.Theyhadnotbeenmarriedamonthbeforetheyquarrelled.才就才就就1.Ihadbeenwaiting__beforeJoanarrived.A.sometimeB.sometimeC.sometimesD.sometimes2.Mindwhereyouaregoing__acarhitsyou.A.whileB.whenC.afterD.beforeWritedownthephonenumber___youforgetit.3.Shakethemedicinewell__youtakeit.A.whenC.whileD.beforeYoumustexamineyourtestpaperwell__youhanditin.AD以免D再