时间原因状语从句

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一.时间状语从句1.when引导的时间状语从句,常译为“当……的时候”,when的从句可以用延续性动词,也可以用点动词。eg.Hewasworkingatthetablewhen_________.当我进去的时候,他正在桌旁工作。当我正在睡觉时,有人敲门。当我有空时,我将去看望我的好友。当我在上海时,我为一家外国企工作.注:when也可以作并列连词,表示一个动词正在进行的时候,突然间发生了另外一件事。eg.Iwasfishingbytheriver,when________.我正在河边钓鱼,就在那时有人求救。我们正在化学实验室工作,突然灯都熄灭了.他们正在马路上散步,突然发生了交通事故.2.while引导的时间状语从句,常译为“与……同时,在……期间”,while的从句中常用延续性动词或表示状态的词。eg.Theyrushedinwhile________________.当我们正在讨论问题时,他们冲了进来。当我正在打电子游戏时,爸爸正在清洗汽车。注:while也可以作并列连词,表转折的关系,相当于but,译为“然而”。eg.Ilikelisteningtomusic,____mybrotherlikesdoingsports.常用引导词:when,as,while,assoonas,while,before,after,since,till,until特殊引导词:theminute,themoment,thesecond,everytime,theday,theinstant,immediately,directly,nosooner…than,hardly…when,scarcely…when3.as引导的时间状语从句,常译为“当……的时候,一边……一边”as的从句中可使用延续性动词,也可使用点动词。eg.Hesangashe_____________________.他一边工作一边唱歌。Astimegoesby,wehaveabetterunderstandingofthingsaroundus.4.before和after引导的时间状语从句,before强调主句的动作发生在从句的动作之前,而after强调主句的动作发生在从句的动作之后。eg.Hehadbeenacookbefore___________.他上大学前曾当过厨师。他在工作完之后给我打了个电话。注:若主句和从句两个动作发生的先后顺序十分接近,那么也可以不用完成时态,例如上面的第二句可改成:Hecalledmeafterhefinishedhiswork.5.assoonas引导的时间状语从句,译为“一……就……”。他一到这里就会去看你。她一到学校就把一切都准备好了。6.since引导的时间状语从句,译为“自从……”,主句常用现在完成时,从句常用一般过去时。自从我们开始做饭起,我们已经包了许多饺子了。我们自从分手以后一直没见过面。注:常用句型:Itis+时间段+since从句译为:自从……有多长时间了。eg.Itissixyearssinceshegraduatedfromtheuniversity.7.till和until引导的时间状语从句,译为“直到……为止”,not…till/until引导的时间状语从句,译为“直到……才”。前者强调主句动作的结束,用延续性动词,后者强调主句动作的开始,用点动词。eg.Iwillwaitformyfrienduntil/tillhecomes.我要一直等到我朋友来。Wewon’tstartourdiscussionuntil/tillhecomes.一、用适当的连词填空1.Wehavelivedinthiscity_____Imovedherein1990.2.Haveyoudecidedwhatyouwanttobe_____yougrowup?3.Don’tworry,I’llphoneyou_________________Igetthenews.4.Thedrunkmandidn’tleavethestation_____thepolicecameyesterday.5.Hehadbeenacook_____hewenttocollege.二、从A、B、C、D中选出可以填入空白处的最佳答案。1.Itwasquiet________thosebigtrucksstartedcomingthroughthetown.A.beforeB.afterC.untilD.unless2.Itseemedonlyseconds________theboyfinishedwashinghisface.A.whenB.beforeC.afterD.evenif3.Hardlyhadhereachedtheschoolgate________thebellrang.A.whileB.whenC.asD.assoonas。4.________youbegin,Ithinkyoumustcontinue.A.WhenB.WheneverC.OnceD.Evenif5.Irecognizedyou________Isawyouattheairport.A.themomentB.whileC.afterD.once6.Hewasabouttogotobed________thedoorbellrang.A.AssoonasB.asC.whenD.while1.______thedaywenton,theweathergotworse.a.Withb.Sincec.Whiled.As2.Ihaven’theardfromhim______heleftLondon.a.whenb.sincec.afterd.before3.Iwaswanderingthroughthestreets______Icaughtsightofatailor’sshop.a.whenb.asc.thend.while4.Theydidn’ttakearest______theoperationwasover.a.ifb.whenc.untild.because5.Jamesmusthavegonetosleep,______thelightisoff.a.forb.sincec.asd.because6.Itisnearlyhalfacentury______thefirstcomputerwasinvented.a.whileb.whenc.asd.since7.Willyoutellhim______hegetsback?a.whileb.beforec.unlessd.assoonas8.Ithasbeenalongtime______Ilastmetyou.a.forb.whenc.thatd.since9.ShethoughtIwastalkingaboutherdaughter,______,infact,Iwastalkingaboutmydaughter.a.whomb.whilec.whichd.because10.Itwasnot______shetookoffherdarkglasses______Irealizedshewasafamousfilmstar.a.that;whenb.when;thatc.until;thatd.until;when11.______shecamein,Iwasdoingmyhomework.(While,As,When)12.Mr.SmithlearnedtospeakChinese______hewasinBeijing.(while,as,when)

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