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1、AdverbialClauses(状语从句)1.AdverbialClausesofTime:(时间状语从句)DifferentKindsofAdverbialClauses:2.AdverbialClausesofReason(原因状语从句)3.AdverbialClausesofConditions(条件状语从句)4.AdverbialClausesofPlace(地点状语从句)5.AdverbialClausesofPurpose(目的状语从句)6.AdverbialClausesofResult(结果状语从句)7.Ad
2、verbialClausesofComparison(比较)8.AdverbialClausesofConcession(让步)9.AdverbClausesofManner(方式状语从句)I.时间状语从句:when,while,as,after,before,since,until/till,assoonas,hardly/scarcely…when,nosooner…than,everytime,eachtime,themoment,theminute,thesecond,bythetime,immediately….一、
3、when/while/asWhen+(1)延续性动词e.g.WhenIwasyoung,Ilikeddancing.(2)瞬间性动词(不能用while)e.g.Itwassnowingwhenwegottotheairport.(3)表示“这时”“正在这时候”e.g.Iwaswalkingonthestreetwhensuddenlysomeonepattedmeontheshoulder.(4)主从句动作先后发生(不能用while)e.g.WhenIgottothecinema,thefilmhadalreadybegun.
4、While+(1)延续性动词e.g.WhileIslept,athiefbrokein.(2)表示两种情况对比,“然而”“而”e.g.Theyweresurprisedthatachildshouldworkouttheproblemwhiletheythemselvescouldn’t.(3)表示“趁着…时候”(强调主从句动作同时发生).e.g.Strikewhiletheironishot.As侧重主从句动作同时发生,常译为①“一边…一边….”e.g.Thestudentstooknotesastheylistened.)
5、②“随着”e.g.Astimegoesby,wehavegainedmoreandmoreknowledge.注意若主句谓语是短暂性动作,从句用延续性动词的进行时态表示在一段时间内正在进行的动作时,三者可以互换!When/While/AswewerehavinganEnglishclass,astrangerbrokein.Practice___________lwaswalkingdownthestreet,Isawsomepolicemen._______theyheardthenews,theyweresurprised
6、.Theyshoutedslogans____theypassedthesquare.When/While/AsWhenas二、before常见句型:Itwillbe+一段时间+before…….Itwas+一段时间+before…….Itwon’tbelongbefore……Itwasn’tlongbefore……肯定句意为“多长时间后才…”否定句意为“用不了多长时间就…”Itwillbealongtimebeforewefinishthisdictionary.我们需要很长的时间才把这部词典编译完。Itwasnotlong
7、beforethethiefwascaught.小偷不久就被抓住了。beforeItwillbehalfayearbeforeIcomeback.Itwon’tbehalfayearbeforewemeetagain.Wesailedfourdaysandnightsbeforewesawtheland.Wehadn’trunamilebeforehefelttired.肯定句“才”否定句“就”itwillbe+一段时间before......多久之后才...itwon’tbe+一段时间before......不久就....1
8、>.<2004福建卷>Scientistssayitmaybefiveorsixyears________itispossibletotestthismedicineonhumanpatients.2>.<2007江西卷>Hewastoldthatitwouldbeatlea