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高考必备经典句型1．…when…引导并列分句，“当时突然”，强调另一个动作的突然发生。IwaswalkingalongtheriverwhenIheardadrowningboycryingforhelp.我正沿河边走，突然听到了一个溺水儿童的求救声。Iwasabouttoleavewhenitbegantorain.我正准备离开，这时候天开始下雨。2．while=although“尽管”WhileIwasangrywithher,Ididn’tlosemytemper.虽然很生气，但我当时并没有对她发脾气。3．nosooner…than…=hardly/scarcely/barely…when…一…就…，刚刚…就…nosooner/hardly+过去完成时，than/when+一般过去时如果nosooner,hardly位于句首，主句要倒装。Hehadhardlygonetobedwhenthedoorbellrang.Hardlyhadwearrivedwhenshestartedcryingtogohome.我们刚一到，她就闹着要回家。4．assoonas…一…就…=directly/immediately/presently/instantly…=thesecond/theminute/themoment/theinstant…Ishallcomeassoonas/themoment/immediatelyIfinishmysupper.吃过晚饭我就过来。Theyinformedusthenewsimmediately/directlytheygotthenews.他们一得到消息就通知了我们。Shecametothespotthemoment/theminutesheheardoftheaccident.一听说有事故，她就到了现场。5．...until...直到...时候not...until...直到...才...Youaretostayhereuntil/tillyourmothercomesback.Themeetingwasputoffuntilteno’clock.会议被推迟到10点。Notuntilallthefishdiedintheriverdidthevillagersrealizehowseriousthepollutionwas.（倒装句）=Thevillagersdidn’trealizehowseriousthepollutionwasuntilallthefishdiedintheriver.Itwasnotuntilhismothercamebackthathewenttobed.（强调句）=Hedidn’tgotothebeduntilhismothercameback.6．...before...特殊用法（1）没来得及...就...HeranoffbeforeIcouldstophim.我还没来得及组织他，她已经跑了。7．...before...特殊用法（2）“过了多久才怎么样”或“动作进行到什么程度才怎么样”Healmostknockedmedownbeforeheknewit.他几乎快把我撞到了才看见我。ThreeyearswentbybeforeIknewit.不知不觉，三年过去了。8．Itwas+时间段+before...“过了多久才怎么样...”Itwasnotlongbefore...不久，就怎么样...1Itwill(not)be+时间段+before...要过多久（不久）...才...Itwasnotlongbeforehesensedthedangeroftheposition.不久他就意识到他处境的危险。Itwasthreedaysbeforehecameback.三天后他才回来。Itwillbehalfayearbeforeyougraduatefromthisschool.要过半年你才能毕业。9.Since...自从...以来SincehelivedinNanjing,Ihavenotheardfromhim.(=SinceheleftNanjing,...)自从他离开南京以来，我没有收到过他的信。10．Itis(hasbeen)+时间段+since+过去时自从...到现在多久了Itis/hasbeentwoyearssincehisfatherdied.11.once“一旦......”表示时间和条件Onceyouunderstandthisrule,youwillhavenofurtherdifficulty.一旦你理解了这条规律，你就不再感到难了。12．where...（地点状语）Youshouldputthebookwhereitwas.把书放回原处。Wherethereisawill,thereisaway.有志者，事竟成。13．as(so)...as...“和...一样”；同级比较HenryisasgoodaplayerasPetre(is).Henry与Peter一样，都是好运动员。We’llgiveyouasmuchhelpaswecan.我们将尽可能地帮助你。Myhandwritingisnotas(so)goodasyours(is).14.the+比较级，the+比较级...“越......，越......”Themoreyouread,thebetteryouunderstand.Themoreticketsyousell,themoremoneyyouwillget.票卖的多，钱挣的就越多。Thesooner,thebetter.越快，越好。15.no+比较级+than表示A和B都不......not+比较级+than表示A不如BThisbookisnomoreinterestingthanthatone.这本书和那本书都没有趣味。Thisbookisnotmoreinterestingthanthatone.这本书不如那本书更有趣。16.morethan“不仅仅”nomorethan只不过”“仅仅”=onlynotmorethan不多于=atmostTherearenomorethantenstudentsintheclassroom.教室里仅有10个学生。Therearenotmorethantenstudentsintheclassroom.教室里最多有10个学生。Heisnomorethanachild,soIdon’ttakehimt...