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Period3Grammar：Discoveringusefulstructures---P.P.(thepastparticiple)astheadverbialStep1:LearningobjectivesMastertheuseofthepastparticipleastheadverbialPleasefindthesentencesfromthetextwithpastparticipleusedastheadverbialandrewritewithproperconjunctions.1.Worriedaboutthejourney,Iwasunsettledforthefirstfewdays.=AsIwasworriedaboutthejourney,Iwasunsettledforthefirstfewdays.2.Hitbythelackoffreshair,myheadached.=BecauseIwashitbythelackoffreshair,myheadached.=Iwashit...,somy...3.Exhausted,Islidintobedandfellfastasleep.=After/AsIwasexhausted,Islidintobedandfellfastasleep.Step2:CheckObserveandanalyzethefollowingsentences,payattentiontotheunderlinedpart.1.Whenitwasheated,icewillbechangedintowater.2.Becauseshewasgivenadvicebythefamousdetective,theyoungladywasnolongerafraid.3.Ashishomeworkwasdoneinahurry,hishomeworkwasfullofmistakes.()GivenDone4.Iftheyhadbeengivenmoreattention,thecabbagescouldhavegrownbetter.5.Thehunterlefthishouse,followedbyhisdog.=Thehunterlefthishouse,and(he)wasfollowedbyhisdog.6.Laughedatbymanypeople,hecontinuedhisstudy.=Althoughhewaslaughedbymanypeople,hecontinuedhisstudy.Given()1)Inthesentencesabove,p.p.isusedasadverbial.2)Itisawayofjoiningtwoclauses(从句)ortwocompoundsentence(并列句)together.通过寻读方式，默读《金榜题名》P32找出以下问题答案。a.过去分词可表示什么?作什么状语？分别可转换成什么从句。举例说明。b.过去分词作状语时，其逻辑主语是什么？c.过去分词作状语的位置。Step3:Guidestudents’studiesLearnbyyourselfaccordingtotheaboveguidlines.Step4:Learnbyyourself1)P.P.:时间状语、原因状语、伴随状语、条件状语和让步状语等，可转换成相应的状语从句或者并列句。1)过去分词作状语时,过去分词的逻辑主语与句子主语一致。3)Vt-P.P.:被动、完成;vi-P.P.:完成4）V-ing:进行、主动Step4Correctandsummary过去分词作状语的位置过去分词可放在主句前作句首状语，后面有逗号与主句隔开；也可放在主句后面，前面有逗号与主句隔开。Hestoodtheresilently,movedtotears.=Movedtotears,hestoodtheresilently.他静静地站在那里，被感动得热泪盈眶。1)作时间状语1.Whenitisheated,icewillbechangedintowater.Whenheated,icewillbechangedintowater.相当于时间状语从句，有时为了突出时间，可在P.P.前加when或while。具体用法:2.Becauseitwasdoneinahurry,hishomeworkwasfullofmistakes.Doneinahurry,hishomeworkwasfullofmistakes.2)作原因状语2.IfIamcomparedwithyou,westillhavealongwaytogo.(If)comparedwithyou,westillhavealongwaytogo.P.P.分词前面可带if，unless,once等从属连词3)作条件状语2.Shesatbythewindow,lostinthought.Shesatbythewindow,andshewaslostinthought.4)作方式或伴随状语往往改为并列分句5.做让步状语P.P.前面可以带though,although,asif/though,evenif/though1)Though(shewas)defeatedbytheyoungplayerforthesecondtime,shedidn`tloseheart.2)HewenttoTibetalone,asif(hewas)attractedbysomething.思考P.P.和V-ing作状语的区别①Seenfromthetop,thestadiumlookslikeabirdnest.②Seeingfromthespace,theastronautcannotdiscovertheGreatWall.③Followingtheoldman,wewentupstairs.④Followedbytheoldman,wewentupstairs.Attention:(特殊情况)1)有些P.P.是系表结构，作状语时不表被动,仅表状态。常见的有：belost(迷路）；beseated（就坐）；behidden(躲藏）；belostin(沉溺于）；beborn(出生）；bedressedin（穿着）betiredof(对...感到厌烦）bedeterminedtodosthbepreparedtodosthbeworriedaboutsthbeabsorbedin…沉溺于…beengagedinsth忙于…beaddictedto…沉溺于…eg.Lostinthought,healmostranintothecarinfrontofhim.Dressedinwhite,shelooksmorebeautiful.2)不与主语保持一致的悬垂结构eg.____thegeneralstateofhishealth,itmaytakehimawhiletorecoverfromtheoperation.A.GivenB.TogiveC.GivingA常见的垂悬分词结构：1)frankly(generally,properly,strictly…)speaking,2)judgingfrom(by)…,3)talkingabout…,谈及4)speakingof…,5)lookingat…,看待6)considering...,7)taking...intoconsideration,把...纳入考虑8)takenasawhole.总的来说9)supposing/suppose=if10)provided/providing=if11)Take…asanexample/forexample12)Givena)consideringb)如果被给予1)Strictlyspeaking,nobodyisallowedinhere.严格地讲，谁也不允许在这儿。2)Judgingfromhisaccent,hemustbefromtheSouth.3)Takenasawhole,thereisnothingwiththebook.总的来说，这本书没有问题。4)Takingallthingsintoconsideration,hisworkisasuccessfulone.5)Providedthatmyexpensesarepaid,Iwillgo.要是我的费用有人代付，我就去。6)Given(=considering)hisage,heisveryactive.高考链接（单项选择）（选做题）1.Pricesofdailygoods________throughacomputercanbelowerthanstoreprices.AareboughtB.boughtC.beenboughtD.buying2.Whenfirst_____tothemarket,theseproductsenjoyedgreatsuccess.A.introducingB.introducedC.introduceD.beingintroducedBB3._____withthesizeofthewholeearth,thebiggestoceanseembigatall.(湖北2004）A.CompareB.WhencomparingC.ComparingD.Whencompared4.Themanagerdiscussedtheplanthattheywouldliketosee________thenextyear.A.carryoutB.carryingoutC.carriedoutD.tocarryout5._____withsomuchtrouble,wefailedtocompletethetaskontime.(四川2006)A.FacedB.FaceC.FacingD.Toface6.Therewasaterriblenoise_______thesuddenburstoflight.A.followedB.followingC.tobefollowedD.beingfollowedDCAB7._____betterattention,thevegetablescouldhavegrownbetterwiththesunshiningbrightlyintheskyand___themlight.A.Giving;givenB.Given;givenC.Giving;givingD.Given;giving8.Don’tusewords,expressions,orphrases_____onlytopeoplewithspecificknowledge.(上海2002)A.beingknownB.havingbeenknownC.tobeknownD.known9.TheEmperor'sNewClothes,isan_____text.Allofusare____init.A.exciting;excitingB.excited;excitedC.excited;excitingD.exciting;excitedDDD10.____thesepictures,Icouldn’thelpthinkingofthosedayswhenIwasinBeijingand____fromthetopofathirty-stored(层)building,Beijinglooksmoremagnificent.A.Seeing;seenB.Seen;seeingC.Seeing;seeingD.Seen;seenA1）SsfinishtheEx2onpage21(必做题）Suggestedanswer:Step6:Practice1.Frightenedbytheloudnoise,---2.Hitbythelackoffreshair,-