英语复合句(高三)

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1、状语从句一、时间状语从句&&&when、while、As:当┄时候1、相同：（1）三个都可接两个一长一短的动作。表示较长的动作用过去进行时；表示较段的动作用一班过去时。eg：While/When/AsIwaswalkingdownthestreetInoticedapolicecarinfrontofthebank（2）三者都可以与现在进行时表示将来的动作eg：Ihopeyouwillthinkofmeforamomentas/when/whileIamtakingmydrivingtest。（3）三者都可

2、以来连接两个同时进行的长动作，主从句都用过去式eg：Iwatchedherasshecombedherhair.Wesatwatchingthemwhen/whiletheyhadaclosegame.2、不同：（1）不用as的场合：当表示将来的状态时，在口语时用when，书面语中用whileeg：Whenyouareeighteen，youcanjoininthearmy.--Iamgoingtothepostoffice.--__goingthere,canyougetmesomestamps.A．As

3、B．WhileC．BecauseD．If（2）不用While的场合：$$$当从句中的动作是短暂性的(V瞬),不用While而用When/As．eg：Theclockwasstriking12when/asIcamein．$$$当两个短动作的动词同时发出时,用As/When,不用Whileeg：Ithoughtofitjustwhen/asyouopenedyourmouth．(3)只用as的场合：$$$一边┅一边eg：Wesangasweworked．Helookedbehindashewentalong．

4、$$$as+a+n=When┄was+a+neg：Asachild,hecouldremember100TangPoema．=Whenhewasachild,hecouldremember100TangPoems．$$$随着┄┄eg：Astimewenton,histheoryprovedtobecorrect．WedonotnecessarilygrowwiserAwegrowolder．A．asB．thanC．thatD．because(4)只用When的场合：$$$beabouttodo+when(并

5、列连词)+句子=>when=andjustthen或andsuddenlyeg：Iwasabouttogooutwhenitrainedhard．$$$was/weredoingwhen+句子eg：IwaswanderingthroughthestreetswhenIcaughtsightofatailor’sshop．$$$hadnotdone+状语(时间)when+句子eg：Shehadnotbeenmarriedmanyweekswhenthatman’syoungermothersawherwass

6、truckbyherbeauty．　WehadnotgonetenmilesSamdecidedhewanfadtogohome．(5)常用While场合：$$$当主句是过去进行时eg：WhileJohnwaswritingaletter,IwaswatchingTV．$$$While表示对比时：eg：HelikesmusicwhileIlikesports．$$$While表示尽管时eg：WhileIunderstandyourpointofview,Idonotshareit．__Iadmitthatt

7、hereareproblems,Idonotthinkthattheycannotbesolved．A．UnlessB．UntilC．AsD．While&&&EverytimeEach/Last/Firsttime+从句,S+V主Thenexttime(时间状语从句)___Isawhim,Ithoughthimgoodandhonest．A．AtfirsttimeB．AtfirstC．ForthefirsttimeD．Thefirsttime&&&MomentTheinstant+从句èAssoonas从句

8、Theminute+(时间状语从句)一┄┄就┄┄eg：Themomenthesawthefire,heranintothehouse．&&&NoonsoonerhadS主+done/been+that+S+Ｖ过Hardly┄whenScarely┄when&&&Sinceeg：Itistwoyearssincewelastmeteachotherseparated．Greatchangeshavetakenpla