英语时间状语从句
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英语时间状语从句
状语从句1.时间状语从句(1)whenwhen用作并列连词（正在那时，突然）
Wewereabouttostartwhenitbegantorain.IwaswatchingTVwhensomeo neknockedatthedoor.…onthepointofdoing…when…did………hadj ustdonewhen……(2)asas与延续性动词连用，侧重两个动作伴随发生,其时态一致：Ashegrewolderhelostinterestineverythingexceptgardening.Wewe rehavingbreakfastasshe________(watch)TV.(3)whilewhile“在……期间”，与延续性动词连用，和主句的动作同时发生，常用三种时态。
1.WhileIwaswaitingatthebusstop,buseswentbyintheoppositedire ction.
2.Whileinprison,hewrotehisfirstnovel.
3.Shoesweremende dwhileyouwaited.(4)before①before“在……之
前”Ihadfinishedmypapersbeforemyteacherwentabroad.②before “过…时间之后才…”,注意使用___________和___________时态。Theyworkedlonghoursbeforeeverythingreturnedtonormal.恢复正
常Itwillbealongtimebeforewefinishthisdictionary.③还没来得
及ThebellrangoffbeforeIcouldanswerit.(5)assoonas“一…就….”，directly，immediately，instantly；
theinstant(that)，theminute(that)，thesecond(that)，
themoment(that)等通常都可与assoonas换用。IrecognizedherimmediatelyIsawher.(6)…hardly...when…/…nos ooner...than…“刚……就…”，从句用过去时,主句用过去完成时。注意倒装。
Hehadnosooner/Nosoonerhadhearrivedthanhewasaskedtoleaveagai n.Wehadhardlybegun/Hardlyhadwebegunourtalkwhenitbegantorain .(7)since从句用一般过去时，主句通常用现在完成(进行)
时.We’venevermetsincewegraduatedfromthecollege.Whathaveyou beendoingsinceImetyoulasttime?Ithasbeen/is3yearssincehecame back.练习：
Itwasevening______hecameback.Itwasintheevening______hecameb ack.(8)till/until“直到……时(为止)”，till不放在句首，until 多用于句首。动词的延续性问题
Tomwillremainincollegeuntil(till)hefinisheshisPh.Dcourse.肯定句Iwon’tgowithyouuntil(till)Ifinishmyhomework.否定句NotuntilIfailedintheexamdidIrealizeIshouldstudyhard.倒装ItwasnotuntilIfailedintheexamthatIrealizedIshouldstudyhard.在强调句中的倒装问题
(9)whenever/eachtime/everytime/anytime“每当；
每次”，可以换用。
Whenever/Everytime/EachtimeImether,shewasstudying.(10)bythe time与完成时连用
Bythetime(that)thisletterreachesyou,Iwillhaveleftthecountry .Bythetimehewas10,hehadlearned10000words.Bythetimeyougetthi sletter,IwillbeinCanada.(Longman)be动词可不用完成时注意：Bythetimeheretired,WiltheldmanyNBArecords.(11)nexttime,thef irsttimeNexttimeyouseeme,Iwillhavelost10pounds.Thefirsttime Imetyou,Iknewwewouldbefriends.比较：
That/It/Thisisthefirsttime(that)IhavebeentoLondon.Forthefir sttime仅用作状语(12)AfterWe’llarriveafteryouhaveleft.2.地点状语从句(1)whereWherethereisawill,thereisaway.含有条件意
味IfoundmybookswhereIhadleftthem.注意：where除指具体地点外，还可表处境等抽象意义。
Hesaidhewashappywherehewas.处境很满意
It’syourfau ltthatsheiswheresheis.她落到今天这个地步都怪你。
(2)wherever=everywhere,anywhereWherever(Everywhere/Anywhere )theywent,theexpertswerewarmlywelcomed.Makeamarkwhereveryou haveanyquestions.区别与其引导定语从句Bamboosgrowbestinthesouthwhereit’swetandrainy.3.原因状语从句(1)becausebecause表示直接的原因或理由，着重点在从句。用于回答why问句，语气最强。强调句中用because。被simply,just,only 修饰时用because。
Ididn’tgoabroadwithherbecauseIcouldn’taffordit.Justbecaus eIdon’tcomplain,peoplethinkI’msatisfied.Itwasbecausehismo