过去分词作状语-专题课件(共34张PPT)

过去分词作状语Once______,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’tfeelafraidatall.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.Becauseitwasdoneinahurry,hishomeworkwasfullofmistakes.Doneinahurry,hishomeworkwasfullofmistakes.2.Ifitistakenaccordingtotheinstructions,themedicinehasnosideeffect.Takenaccordingtotheinstructions,themedicinehasnosideeffect.3.Thoughhewasdefeatedbytheyoungplayerforthesecondtime,hedidn’tloseheart.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________Londonatnight,you’reabitlikeinadream.②When_______atnight,youmakesurethevisitorisreallyyourfriend.①______fromthehill,wecanseeabeautifulpark.②______fromthehill,theparkisbeautiful.visitingvisitedSeeingSeen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_________。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,Islidintobedandfellfastasleep.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,...____________athisson’sexamresults,thefathersaidnothingbutaskedhimtoworkhardnexttime.Disappointed①表人的情感的使动词(disappoint)②有些过去分词因来源于系表结构，作状语时不表被动而表主语的状态。Lost/Absorbedindeepthought,hedidn'thearthesound.常见的有：lost(迷路);seated(坐);hidden(躲);lost/absorbedin(沉溺于);born(出身于);dressedin(穿着)；tiredof（厌倦于）；worriedabout（担心）；basedon（基于）；devotedto/buriedin（专心于）使用过去分词作状语时容易错的两种情况1.忽视了分词作状语时其逻辑主语必须是句中主语(或主动或被动)。如：Ifheated,_______.A.peoplecanturnwaterintogasB.onecanchangeiceintowaterC.iceturnsintowaterD.peoplegetwaterfromice★若分词主语与句中主语不一致,则可以用其他方法来修正:①给分词添加自己的主语,构成独立主格结构或改变语态。②改为相应的状语从句来表达。③用with复合结构等。分词做状语，一般它的逻辑主语是整个句子的主语，但有时它也可以有自己的独立的逻辑主语，其实就是在分词前面有名词出现，这种情况叫独立主格结构。如:完成作业后,孩子们出去踢足球了。Finishedtheirhomework,thechildrenwentouttoplayfootball.①Theirhomeworkfinished,……(独立主格结构)②Havingfinishedtheirhomework,……(现在分词完成形式)③Withtheirhomeworkfinished,……(with的复合结构)④Afterfinishingtheirhomework,……(介词+动名词)(X)Astherewasnobus,Ihadtowalkhome.Therebeingnobus,Ihadtowalkhome.Whenhisworkwasdone,hesatdownforacupofcoffee.Hisworkdone,hesatdownforacupofcoffee.Becausetherainhadstopped,hewentoutforawalk.Therainhavingstopped,hewentoutforawalk.★有些含有分词的固定插入语,其逻辑主语不要求与主语一致。如:Judgingfrom/by…从…….来判断;Generally(frankly/exactly/….)speaking,一般地(坦率地/确切地)说;Considering…考虑到……;Talkingof…说到….;Supposing/Provided/Providingthat…假使….;Tobehonest,/Totellthetruth,老实说；说实话______fromhisaccent,hemustcomefromsouthernChina.A.Judged;B.Judging;C.TojudgeD.Judge分词作状语答题记忆口诀分词作状语，主语是关键。逗号前后两动作，共用一主语。主语找出后，再来判关系。主动-ing,被动用-ed。Havingbeendone表先后，千万要牢记。Practicemakesperfect1.__________bynoisesinthenight,thegirlnolongerdaredtosleepinherroom.2.Ladyreturnedhome,__________bytwopolicemen.3._________in1949,thebridgeisover50yearsold.4._________fromthehill,thecityisbeautiful.5.Although_________intheleg,hecontinuedfiringatthepolice.buildfrightenfollowshootseeFrightenedfollowedBuiltSeenshotI.选词填空1._____in1636,HarvardisoneofthemostfamousuniversitiesintheUnitedStates.A.FoundedB.ItwasfoundedC.BeingfoundedD.Founding2.(2010)____atmyclassmates'faces,Ireadthesameexcitementintheireyes.A.LookingB.LookC.TolookD.LookedII.多项选择3.Unless______tospeak,youshouldremainsilentattheconference.A.invitedB.invitingC.beinginvitedD.havinginvited4.______withthesizeofthewholeearth,thebiggestoceandoesn’tseembigatall.A.CompareB.WhencomparingC.ComparingD.Whencompared5._______manytimes,hestillcametoschoollate.A.HavingtoldB.HavingbeentoldC.ToldD.BeingtoldA.ToldmanytimesB.HavingbeentoldmanytimesC.HehasbeentoldmanytimesD.Thoughhehadbeentoldmanytimes6.__________,buthestillcouldnotunderstandit.7._______inawhiteuniform,helooksmorelikeacookthanadoctor.A.DressedB.TodressC.DressingD.Havingdressed8.Though_______toseeus,hegaveusawarmwelcome.A.surpriseB.tobesurprisedC.surprisingD.surprised9.Time,_______correctly,ismoneyinthebank.A.touseB.usedC.usingD.use10.(2011)______intoEnglish,thesentencewasfoundtohaveanentirelydifferentwordorder.A.TranslatingB.TranslatedC.TotranslateD.HavingtranslatedIII.译一译1.他在屋子时走来走去，陷入了沉思。Hewalkedupanddowntheroom,________________.lostinthought.2.训练员出现了，后面跟着四条小狗。Thetrainerappeared,_____________________