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1、快速学会非谓语动词的逆向学习法下面的练习要求是：A：找出该非谓语的逻辑主语，并指出与该动词是主动关系还是被动关系；B:指出非谓语的动作是发生在主句动作之前还是之后；C:或指出其在句中所作的成分；1. HavingrealizedthatIcouldusekitetoattractthelightning,Idecidedtodotheexperiment.2. Thebellrang,andalltheboysandgirlswentoutoftheirclassroom,singingandjumping.3. Theboysswimmingint
2、heseawereindanger.—主动——————————————主动———————主动4. Theyhearingthenews,theirtearscamedowntheircheek.5. Whentakenfollowingitsdirections,thedrughasnoneglecteffect—————————主动被动二、感受从一般句子转换为含非谓语部分（分词）的句子方法（一）：由定语从句改为分词短语的方法：1．若关系词之后有be动词(限be在结构be+V-ing或be+V-ed中时)———则删去关系代词和be，其它成分不变。Eg.A)
3、.Watchthemenwhoarecomingthisway.Watchthemancomingthisway.B).Lessonswhicharelearnedeasilyaresoonforgotten.C).Thedogwhichwasbeatenyesterdayisdead.Lessonslearnedeasilyaresoonforgotten.Thedogbeatenyesterdayisdead.2．若关系词之后没有be动词(限be在结构be+V-ing或be+V-ed中时)而是一般的动词———则删去关系词，再将动词改为-ing形式,其它不变。A)
4、.Anyonewhowishestoleaveearlymaydoso.Anyonewishingtoleaveearlymaydoso.Theboysittingnearthewindowwasgoodatplayingfootball.Weseethestreamrisingfromthehole.B).Theboywhosatnearthewindowwasgoodatplayingfootball.C)Weseethestreamwhichrisesfromthehole.方法（二）：由状语从句改为分词短语的方法。A）.先将引导状语从句的连接词去掉。B）.如
5、果状语从句的主语与主句主语相同，则去掉从句主语；不相同，则保留从句主语（亦称独立主格结构）C）.再将原状语从句的谓语动词变成—ing形式，补充：当状语从句的谓语含有be+V-ing（进行时结构）或be+V-ed（被动式）时，也可能将be去掉,其它部分不变。注意：若主句动词为现在时，而状语从句的动词为过去时，那么为了表示状语从句的动作时间早于主句的动词，则变分词短语是应改为完成式。转换练习：1.状语从句主语与主句主语相同。1).AfterIhadheardfrommybrother,Ifeltmuchhappy2).Asheisill,hecan’tattendthe
6、meeting.Havingheardfrommybrother,Ifeltmuchrelieved.Beingill,hecan’tattendthemeeting.3).Whenhewasbuyingthebooks,hemetanoldfriend.4).Becausehehasbeenpraisedtoomuch,hebecomestooproud.Buyingthebook,hemetanoldfriend.Havingbeenpraisedtoomuch,hebecomestooproud.2.前后主语不相同。1）.Afterthesunhadset,w
7、earrivedatthestation.2）.Whenschoolwasover，theboyswenthome.Thesunhavingset,wearrivedatthestation.Schoolbeingover,theboyswenthome.3）Ashishomeworkhasbeendone,theboyswenthome.4）Iftheweatherpermits,we’llgototheGreatWall.Hishomeworkhavingbeendone,theboyswenthome.Theweatherpermitting,we’llg
