时间状语从句用表示的连词连接一个句子作这样主从复合句就是

when,before,after,while,assoonas,until,since. 1时间状语从句▪when，while▪when,whileas▪beforeafter▪tilluntil▪since▪assoonas,▪bythetime▪eachtime,everytime▪aslongassolongas2时态的呼应和从句的位置▪▪3从句语法▪▪▪4一词多义▪before▪since▪till/until5其他▪▪▪由when，whileWhenyouthinkyouknownothing,thenyoubegintoknowWhentruthisburiedundertheground，itgrows,itchokes,itgatherssuchanexplosivethatonthedayitburstsout,itblowsupeverythingwithit.当真理被埋在的时候，它在生长，它感到压抑，它蓄存着这么一种性力量，一旦冒出，它就会炸破一切Strikewhiletheironishot.Youcanfeeltheairmovingasyourhandpushesthroughit.当你的手在空气中挥动的时候，你就能感觉到空气在流动。Ourheadmasterlaughedasshespoke.(我们的校长边谈边笑。)[1]when,whileaswhenwhen有时表示“就在那时”。例如：Whenshecamein,Istoppedeating.她进来时，我停止吃饭。(瞬时动词)WhenIlivedinthecountrysideIusedtocarrysomewaterforhim.当我住在农村时，我常常为他担水。（延续性Wewereabouttoleavewhenhecamein.While引导的从句的谓语动作必须是延续性的，并强调主句和从句的动作同时发生（或者相对应）while有WhilemywifewasreadingthenewspaperIwaswatchingTVwasreading是延续性的动词，waswaswatching同时发生)Ilikeyingfootballwhileyoulikeyingbasketball.我喜欢踢，而你喜欢打篮球。（对比As表示“一边……一边”，as引导的动作是延续性的动作，一般用于主句和从句动作同时发生；as也可以强Wealwayssingaswewalk.我们总是边走边唱。（as表示“一边……一边Asweweregoingoutitbegantosnow.当我们出门时，开始下雪了。（as强调句中两个动作紧接着先后发由before和after完成时，则从句动词多用一般过去时，这样以便体现动作发生的先后。After表示主句动作发生在从句动作之后。before引导的从句相反。例如：Itwillbefourdaysbeforetheycomeback.Einsteinalmostknockedmedownbeforehesawme.几乎把我撞倒才看到我MyfatherhadleftforCanadajustbeforetheletterarrived.我父亲恰好在信到之前去了Theyhadnotbeenmarriedfourmonthsbeforetheyweredivorced.他们结婚还不到四个月就离婚了。Afteryouthinkitover,pleaseletmeknowwhatyoudecide.你仔细考虑过以后，告诉我你是怎样决定的。Afterwehadfinishedthework,wewenthome.完成工作之后，我们回家了。（从句用过去完成时，主句用一般过去时由tilluntiltilltiltil时动词时，必须用否定形式；如果主句中的谓语动词是延续性动词时，用肯定或否定形式都可以，但表达的意思不同。tilltil可以放在句首。例如：Ididn'tgotobeduntil（till）myfathercameback.直到我父亲回来我才睡觉ItwasnotuntilthemeetingwasoverthathebegantoteachmeEnglish.直到散会之后他才开始教我英语。Iworkeduntilhecameback.我工作到他回来为止。Ididn'tworkuntilhecameback.他回来我这才开始工作。PleasewaituntilIarrived.在我到达之前请等我。由sincesince引导的从句的谓语动词可以是延续性的动词，又可以是瞬时动词。一般情况下，从句谓语动词用一般过去Itis+时间+since从句的句型中，主句多用一般现在时。例如：IhavebeeninBeijingsinceyouleft.自从你离开以来，我一直在了WherehaveyoubeensinceIlastsawyou?ItisfouryearssincemysisterlivedinBeijing.我妹妹不在住有四年了ItisfivemonthssinceourbosswasinBeijing.我们离开有五个月了由assoonas,等引导的时间状语从句。IwillgotheredirectlyIhavefinishedmybreakfast.ThemomentIheardthenews,Ihastenedtothespot.我一听到消息，马上赶到了出事地点。AssoonasIreachCanada,Iwillringyouup.我一到，就给你来 注意：hardly(scarcely,rarely)…whenbeforenosooner…thanassoonas之意。主句用过去完成时，从hardly,scarcely,rarelynosooner位于句首时，主句应用倒装语序。例如：HehadnosoonerarrivedhomethanhewasaskedtostartonanotherNosoonerhadthesunshownitselfabovethehorizonthanhegotoutofbedtocommenceHardlyhadIsatdownwhenhesteppedin.我刚坐下，他就进来了。Hehadhardlyfallenasleepwhenhefeltasofttouchonhisshoulder.由bythetimeBythetimeyoucamebackIhadfinishedthisbook.BythetimeyoucomeheretomorrowIwillhavefinishedthiswork.你明天来这儿的时候，我将已经完成此工作eachtime,everytimeEachtimehecametoHarbinhewouldcallonme.Wheneverthatman lthetruth”,Ithathe'sabout laYougrowyoungereverytimeIseeyou.由aslongas和solongasYoucangowhereyoulikeaslongasyougetbackbeforedark.你可以随意到哪里去，只要在天黑以前回来就Iwillfightagainsttheseconditionsaslongasthereisabreathinmy只要我一息尚存，我就要这种境况Thedaysgetlongerwhenspringcomes.=Whenspringcomes,thedaysgetlonger.Closethedoorbeforeyouleavetheroom.离间前关上门IwenttoschoolafterIfinishedmybreakfast.四、assoonas“一……就……”，引导时间状语从句时，表示主句动作紧接着从句动作发生。如：I’llcallyouassoonasIgethome.我一到家就给你打 五、until,till“直到”I’llwaithereuntil/tilltherainstops.Youcan’tgohomeuntil/tillyoufinishyourwork.时态的呼应和从句的位置Becarefulwhenyoucrosstheroad.过马路时要Youmustseethedoctorifyouareill.Whenhewassevenyearsoldhecouldswim.Sheturnedoffthelightbeforeshelefttheoffice.她离开前就关了灯Pleaselmewhenhecomesback.=Whenhecomesback,pleasel do,does,am,isyesterday,lastSunday,inthe now--------be+while,atthattime,-------wasng,weresince从句,for2 havedone,have haddone,had与现在完成相 havebeen+持续动词ing形 将来要发生的一般性动作与一般将来时相 every…,sometimes,atonyesterday,lastweek,anhouragotheotherdayin1982justnext…,tomorrowin+时间forsincesofar,evernever,justyettill/untiluptonowinpastyears,alwaysbeforebyuntilwhenafter,onceassoonthismorningthewholemorningallday,yesterday,fromninetotenlasteveningwhen,soontomorrowthiseveningonSundaybythistime,tomorrowintwodaystomorrow从句语法whenHewasstillsmilingwhenthedooropenedandhiswifecamein.他正笑着的时候，门突然IwasthinkingofthiswhenIheardmynamecalled.我正想着这件事时，突然听到有人叫我whenwas（were）abouttowas（were）onthepointWewereabouttostartwhenitbegantorain.Hewasonthepointofleavingwhensomeoneknockedatthedoor.whensbhadhardlyscarcely/barelywhen已成为固Wehadhardlyfallenasleepwhenthebellrang.Hehadscarcelyarrivedwhenhehadtoleaveagain.他刚刚到达就又要离开了。表示条件，相当于if，引导条件状语从句。如：HowcanIgetajobwhenIcan'tevenreadorwritewhereaswhilesince“既然；然而”HowcanIhelpthemtounderstandwhentheywon'tlistentomeTheyhaveonlythreecopieswhenweneedfive.when从句中使用虚拟语气，意为“本来……却……”Shepaidwhenshecouldhaveentered.本来可以免费入场，而她却付了款Shestoppedtryingwhenshemighthavesucceedednexttime.她本来下次有可能获得成Theyweregossi，whentheyshouldhavebeenworking.他们本该工作，却在那里说别人的闲话because,since,as等引导。because语气较强，用来说明人所不知的原因，回答why问题。当原因是显而易见的或者已为人们所知，就用as或since。一词多义对beforebefore的本意为“在……之前”，根据具体语境还可理解为“还没来得及/还没有……就……，趁着还没……Ihadnotsatlongbeforehecameback.Healmostknockedmedownbeforehesawme.BeforeIcouldgetinawordhemeasuredme.I’llwatertheflowersbeforeitgetsdark.Beapupilbefore eateacher.Timepassedquicklyandthreemonthswentbybeforesheknewit.时间过得飞快，她不知不觉就在那里度IwilldiebeforeIwillbetraymycountry.对sincesinceI’vebeenfeelingdownsinceIlostmyjob.自从失去工作后,sinceShehasnevercometoseemesinceIhavelivedinthecity.sinceIhavemadegreatprogresssinceIwasill.since前有ever，或从句谓语动词是be且后接表示人成长过程中的某个阶段或的名词、形容词时，仍IhavelivedhereeversinceIwasachild.对till/untiluntil/till从句Hewaiteduntil/tillIreturned.主句为否定式（nonobody,nothingneverhardlylittle等否定词的肯定句），若主句谓语动词是until/till从句表示的时间开始发生。一般先译从句“直到……”，后译主句，not译成“才”，即“直到……才……”。如：Hismotherdidn’tleaveuntil/tillhewasasleep.Nobodycanleaveuntil/tillthemeetingisover.until/till从句的含义，一般译为“直Hedidn’twaituntil/tillIreturned.Shedidn’tsleepuntil/tillIreturned.其他引导时间状语从句的普通类从属连词有（无论何时），assoonas（一……就）WhenIwentintotheclassroom,hewasreading.Hereadanewspaperashewentalong.Wemuststrikewhiletheironishot.须趁热打铁Iwilllyouaftertheyleave.等他们走后我再告诉你Itoldhimtocomebackwheneverhewantsto.我什么时候想回来就回来Iwaitedtill/untilshewasback.Oncetimeisgoneyouwillnevergetitback.I’llephoneyouassoonasIgetthere.我一到达那里就 给你Shesaidshewouldphonemeassoonasshegotthere.她说她一到达那里就给 Don’tgetoffthebusuntilithasstopped.Itis(was)被强调部分+thatwho)+Itwasseveno'clockwhenwereachedthestation.（状语从句=Itwas"at"seveno'clock"that"wereachedthestation.(强调句，定语从句that/who引导的句子是不能去掉的，否则句子就不完整了，单独的“Itwasatseveno'clock”是错误的。简单的表达法是：Wereachedthestationatseveno'clock.然后为了强调"atseveno'clock",Itwas"atseveno'clock"thatwereachedthestaion，同时它也是定语从句：从句“thatwereachedthestaion