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我们在英语写作中经常要用到状语从句,学会简化状语从句,会使整篇文章显得条理很清楚。1.以after和before引导的状语从句的主语若与主句主语一致时,可用after和before与从句谓语动词的动名词(短语)形式构成介词短语作状语。例如Aftershesang,shelefttherichman'shouse.(简化前)Aftersinging,shelefttherichman'shouse.(简化后)2.以assoonas引导的状语从句的主语若与主句主语一致时,可用on十v-ing形式简化状语从句,此时的动词为非延续性动词。例如:Dr.Bethunebegantooperateonthewoundedsoldiersassoonashearivedatthevillage.(简化前)Dr.Bethunebegantooperateonthewoundedsoldiersonarrivingatthevillage.(简化后)3.时间状语从句和条件状语从句的主语和主句主语一致时,有时可简化为不定式作状语。例如:(1)Shestoppedwhenshesawherhusband.(简化前)(2)Shestoppedtoseeherhusband.(简化后)(3)Ifyouwanttounderstandthefarmers,youmustgotothecountryside.(简化前)(4)Tounderstandthefarmers,youmustgotothecountryside.(简化后)4.结果状语从句和目的状语从句的主语与主句主语一致时,可以简化为不定式作状语;若两者主语不一致时,则应简化为不定式的复合结构作状语。例如:Hewassotiedthathecouldn'tgoanyfurther.(简化前)Hewastootiedtogoanyfurther.(简化后)IcameheresothatIcouldasksomequestions.(简化前)Icamehere(inorder)toasksomequestions.(简化后)5.以when,while引导的时间状语从句和以if引导的条件状语从句,如果从句主语和主句主语一致时,可简化为现在分词状语,表示谓语动作发生在该状语动作的进行过程之中。例如:Whenheturnedontheradio,hefounditbroken.(简化前)Whenturningontheradio,hefounditbroken.(简化后)Whileshewaswalkingalongthestreet,shewashitbyacar.(简化前)Whilewalkingalongthestreet,shewashitbyacar.(简化后)6.原因状语从句的主语与主句主语一致时,可简化为分词短语作状语。例如:Sinceldidn'tknowChinese,ItriedtospeaktoherinEnglish.(简化前)NotknowingChinese,ItriedtospeaktoherinEnglish.(简化后)要注意的是,形容词短语也可用作表示原因的状语,用以代替原因状语从句,放在句首、句末均可,但一般应加逗号。例如:Ashewasthirstyandeagertogetalittlerest,hewentintothetea-house.(简化前)Thirstyandeagertogetalittlerest,hewentintothetea-house.(简化后)7.在时间、原因、条件等状语从句中,若从句和主句主语不一致时,可简化为分词复合结构作状语。有时也可简化为“with/without名词或代词十分词(短语)”形式作状语。例如:Whenthefilmstartappeared,thechildrengotexited.(简化前)ThefiLmstartappearing,thechildrengotexited.(简化后)Ifalltheworkisdone,youcanhavearest.(简化前)Withalltheworkdone,youcanhavearest.(简化后)Nothingcanliveifthereisnoair.(简化前)Nothingcanlivewithoutair.(简化后)8.让步状语从句的主语与主句主语一致时,可简化为分词短语。作状语;不一致时,常简化为with或inspiteof介词短语作状语。例如:Althoughhefacedhisdeath,hedidn'tsayanythingbeforetheenemy.(简化前)Facingthedeath,hedidn'tsayanyt