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状语从句与分词作状语的转换一、基本规则，也是最重要的规则是：从句的主语与主句的主语必须一致，变从句而主句不变。Theydidn’tgototheSummerPalacebecausetheyhadalotofworktodo.Havingalotofworktodo,theydidn’tgototheSummerPalace.Whenheheardacryforhelp,herushedoutHearingacryforhelp,herushedout.二、从句的谓语部分是“be+形容词或名词”的系表结构时,变从句为“Being+表语”的现在分词短语。Ashewasseriouslyill，hewenthome.Beingseriouslyill，hewenthome.Ashewasveryold,hehadtogiveuphisteaching.Beingveryold,hehadtogiveuphisteaching.三、从句的谓语动词是完成时态,变从句为完成式的现在分词短语.例如:AsIhaveseenhimbefore,Ieasilyrecognizedhim.Havingseenhimbefore,Ieasilyrecognizedhim.Thechildrenwentouttoplayaftertheyhadfinishedtheirhomework.Havingfinishedtheirhomework,thechildrenwentouttoplay.四、从句是after引导的,谓语动词是一般时态,也变从句为完成式的现在分词短语。例如:Aftershelitacandle,shewentout.Havinglitacandle,shewentout.五、从句是否定句时，把从句变成否定分词短语,即“not+分词短语”例如：Ashedidn’tknowwhattodo，heaskedmeforhelp.Notknowingwhattodo，heaskedmeforhelp.六、如果由when或while引导的从句的时态是现在进行时，从句可变成“现在分词”，置以句首、句尾皆可。Theywavedagainandagaintous,when(while)theywereleavingtheairport.When(While)leavingtheairport,theywavedagainandagaintous.许多有and或没有and的并列句，只要主语一致，往往可能换成分词作伴随状语。如：Thestudentswenthomefromschool；theytalkedandlaughed．Thestudentswenthomefromschool,talkingandlaughing.练习：1.Whenshesawthejewels,shejumpedwithjoy.Seeingthejewels,shejumpedwithjoy.2.Ifyoulistentotheexpert,youwillcertainlysucceed.Listeningtotheexpert,youwillcertainlysucceed.3.Themanthrewoffhiscoatbecausehefelttoohot.Feelingtoohot,themanthrewoffhiscoat.4.Ifyouworkhard,youwillsurelysucceed.Workinghard,youwillsurelysucceed.5.BecauseIhadnomoney,IborrowedsomefromJohn.Havingnomoney,IborrowedsomefromJohn.6.AfterIhaddressedmyself,Iwenttoschool.Havingdressedmyself,Iwenttoschool.1.尽管他很忙，但他仍然帮助我们。Though(Although)heisbusy,hestillhelpsus.Beingbusy,hestillhelps.2.他虽然喝酒很多，但身体很好。Thoughhedrinksalot,heisingoodhealth.Drinkingalot,heisingoodhealth.3.如果天天锻炼，你会变得比较健壮。Ifyoutakesexerciseeveryday,youwillgetstronger.Takingexerciseeveryday,youwillgetstronger.4.格林先生站在路边观看游行。Mr.Greenstoodbytheroadsideandwatchedtheparade.Mr.Greenstoodbytheroadside,watchingtheparade.