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1、Grammar过去分词作状语ByMelodyOnce______,awordbecomesapromise.(speak)spoken一言既出,驷马难追Once______,watercannotbetakenbackagain.(pour)poured覆水难收__________bythebeautifulscenery,Iforgottogobackhomeintime.(impress)Impressed流连忘返一．过去分词作状语的基本用法：1.过去分词与句子主语之间构成_______关系。2.过去分词的逻辑主语要和句
2、子的主语一致。3.可置于主句前，也可置于主句后，用逗号与主句隔开。4.过去分词通常在句中充当以下几种状语：Revision:现在分词做状语被动①Askedwhathadhappened,hekeptsilent.②Chokedbytheheavysmoke,hecouldhardlybreathe.③Givenmoretime,wewouldbeabletodotheworkmuchbetter.（时间状语）（原因状语）（条件状语）（When）（If）④Leftaloneathome,thelittleboydidn’tfe
3、elafraidatall.⑤Theoldmanwentintotheroom,supportedbyhiswife.（让步状语）（伴随或方式状语）（Though）5.过去分词+连词过去分词作状语，常常可以在过去分词前加连词（when,if,though,once等），以起到强调的作用，使句意更加明确。6.过去分词状语，相当于一个状语从句。（伴随状语相当于一个并列句）Rewritethesentences,usingthepastparticipleastheadverbial.1.Becauseitwasdoneinahu
4、rry,hishomeworkwasfullofmistakes.Doneinahurry,hishomeworkwasfullofmistakes.2.Ifitistakenaccordingtotheinstructions,themedicinehasnosideeffect.Takenaccordingtotheinstructions,themedicinehasnosideeffect.3.Thoughhewasdefeatedbytheyoungplayerforthesecondtime,hedidn’tlo
5、seheart.Defeatedbytheyoungplayerforthesecondtime,hedidn’tloseheart.7.过去分词的变形：Havingbeendone：强调过去分词表示的动作明显先于谓语动作。Beingdone:强调过去分词表示的动作正在被执行。Havingbeendiscussedmanytimes,theproblemsweresettledatlast.Beingbuiltnow,thebridgecan’tgetthrough.重难点辨析（一）：过去分词VS现在分词作状语①When__
6、______Londonatnight,you’reabitlikeinadream.②When_______atnight,youmakesurethevisitorisreallyyourfriend.visit①______fromthehill,wecanseeabeautifulpark.②______fromthehill,theparkisbeautiful.seevisitingvisitedSeeingSeen如果句子的主语和分词之间是主动关系,用_______；如果句子的主语和分词之间是被动关系，用___
7、______。现在分词过去分词Wefollowedtheoldman,andwewentupstairs.=Wewerefollowedbytheoldman,andwewentupstairs.=Followingtheoldman,wewentupstairs.Followedbytheoldman,wewentupstairs.比一比，变一变1.Worriedaboutthejourney,Iwasunsettledforthefirstfewdays.2.Exhausted,Islidintobedandfellfa
8、stasleep.注意：被动,完成状态√重难点辨析（二）：不表被动的特殊情况过去分词作状语中，被动形式表主动意义的词需要特别注意：常见的有：excite,surprise,amuse,interest,frighten,satisfy,disappoint,...____________a
