【课件】Unit+5Discovering+Useful+Structures+过去分词语法课件人教版（2019）必修第二册.pptx

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1、 Discovering Useful StructuresDiscovering Useful StructuresPast Participle as Past Participle as Adverbial Adverbial and and PredicativePredicativeBook2Unit5AimsAims：1.1.Enable Enable students students to to rewrite rewrite an an adverbial adverbial clause clause with with past past participlepartic

2、iple.2.2.Enable Enable students students to to use use the the past past participle participle correctly correctly in in exercisesexercises.录目Contents1234回顾过去分词的用法过去分词作状语过去分词作表语巩固练习Part1过去分词用法回顾 A boy A boy called called Tom went to the cinema one night.It was aTom went to the cinema one night.It wa

3、s a horror film,but he was horror film,but he was interestedinterested in it.Sometimes he felt in it.Sometimes he felt excitedexcited,sometimes he felt sometimes he felt frightenedfrightened.After the film,the.After the film,the tiredtired boy came boy came back home.back home.HauntedHaunted by the

4、horrible images,theby the horrible images,the boy was afraid boy was afraid to go to bed.He kept the door to go to bed.He kept the door lockedlocked and waited for.and waited for.frighten call haunt tire excite interest lock用法回顾：用所给词的适当形式填空1.We need another copy of the _1.We need another copy of the

5、 _(sign)(sign)(sign)(sign)agreement.agreement.2.She tried to make herself _2.She tried to make herself _(understand)(understand)(understand)(understand)while giving her talk.while giving her talk.3.Thanks to the opportunity_3.Thanks to the opportunity_(offer)(offer)(offer)(offer)by my uncle,I finall

6、y made it.by my uncle,I finally made it.4.4._(build)(build)(build)(build)in 1192,the bridge is over 700 years old.in 1192,the bridge is over 700 years old.5.He seemed _5.He seemed _(disappoint)(disappoint)(disappoint)(disappoint)by the failure of his patent.by the failure of his patent.用法回顾：完成句子并指出所

7、填词充当的成分signeddisappointedunderstoodBuiltoffered定语表语定语状语宾补Part2过去分词作状语 状语是用于状语是用于说明时间、条件、原因、方式、伴随、说明时间、条件、原因、方式、伴随、地点、目的地点、目的、结果、结果、方向、方向、程度和状况程度和状况等的一种等的一种句法成句法成分。可充当状语的有分。可充当状语的有副词副词、介词短语、介词短语、动词不定式、现动词不定式、现在分词或者过去分词在分词或者过去分词等。等。状语1.Theyweregreatlytouchedtoheartheoldmansstory.2.Theydideverythingthe

8、ycouldtosavetheboyslife.3.Isaiditinfun.4.Theyreturnedtiredandhungry.5.Seeingthis,somestudentsbecameveryworried.6.Heated to a high temperature,water will change intovapor.7.Shockedatwhathappened,Tomdidntknowwhattodo.过去分词作状语可表示过去分词作状语可表示_、_、_、_、_、_。相当于。相当于一个一个时间时间、条件、原因、方式、条件、原因、方式、伴随、让步状语伴随、让步状语从句。从句

9、。多数情况下，分词的多数情况下，分词的逻辑主语逻辑主语和和句子句子的的主语主语是是同一人同一人或同一物。或同一物。过去分词在句中过去分词在句中表被动、表完成表被动、表完成。过去分词作状语时间时间条件条件原因原因方式方式伴随伴随让步让步过去分词短语做状语表时间，相当于一个由过去分词短语做状语表时间，相当于一个由when,while,until，afrer等引导的等引导的_。1.Acceptedbytheuniversity,hewasaddictedtoonlinegames.=Afterhewasacceptedbytheuniversity,hewasaddictedtoonlinegame

10、s.2.Askedwhyhedidntdoit,hebegantocry.=Whenhewasaskedwhyhedidntdoit,hebegantocry.1.表时间表时间时间状语从句时间状语从句2.表表条件条件1.Givenmoretime,wecoulddoitmuchbetter.=Ifweweregivenmoretime,wecoulddoitmuchbetter.2.Comparedwithmybrother,IshouldmakegreatereffortstostudyEnglish.=IfIamcomparedwithmybrother,Ishouldmakegreate

11、reffortstostudyEnglish.过去分词短语做状语表条件，过去分词短语做状语表条件，相当于一个由相当于一个由if引导的引导的。条件状语从句条件状语从句如果给予更多时间如果给予更多时间如果跟我的兄弟比较如果跟我的兄弟比较3.表表原因原因1.Greatlymovedbythefilm,theyallcried.=Becausetheyweregreatlymovedbythefilm,theyallcried.2.Chokedbytheheavysmoke,theoldmancouldhardlybreathe.=Becausehewaschokedbytheheavysmoke,t

12、heoldmancouldhardlybreathe.过去分词做状语表原因过去分词做状语表原因,相当于相当于because引导的引导的_。原因状语从句原因状语从句被这部电影深深打动被这部电影深深打动被浓烟呛到被浓烟呛到4、表表方式、伴随方式、伴随1.Hewalkedupanddowntheroom,lostinthought.=Hewalkedupanddowntheroom,andhewaslostinthought.2.Supportedbyhiswife,theoldmanwentintotheroom.=Theoldmanwassupportedbyhiswife,andhewenti

13、ntotheroom.过去分词表过去分词表方式方式或或伴随伴随时相当于一个由时相当于一个由_引导的并列句。引导的并列句。and5、表、表让步让步1.Laughedatbymanypeople,hecontinuedhisstudy.=Thoughhewaslaughedatbymanypeople,hecontinuedhisstudy.2.Defeatedthistime,theycontinuedtoworkhard.=Althoughtheyweredefeatedthistime,theycontinuedtoworkhard.过去分词短语做状语过去分词短语做状语,表让步，相当于表让步

14、，相当于though,although引导的引导的_。让步状语从句让步状语从句尽管被人嘲笑尽管被人嘲笑尽管这次被打败尽管这次被打败过去分词短语作状语时，前面有时可以加上when,if,while,though,asif等连词，这种结构可以看作是一种省略的状语从句（省略部分多为“主语+be的多种形式”）。需要注意的是，省略的主语必须和主句的主语相同，如：If/When(wateris)heated,waterchangesintosteam.Evenif(Iam)invited,Iwontgo.Wewillnotattackunless(weare)attacked.Thegirlisverys

15、hy,andneverspeaksuntil(thegirlis)spokento.Part3过去分词作表语When people are When people are determineddetermined they can they can overcome anything.overcome anything.南非前总统曼德拉南非前总统曼德拉人心齐，泰山移。人心齐，泰山移。中国谚语，出自古今贤文中国谚语，出自古今贤文要点一：要点一：表状态：addicted,broken,gone,lost,seated,absorbed,dressed,separated,engaged表主观心理感

16、受：excited,moved,puzzled,disappointed,surprised,frightened过去分词作表语表示主语所处状态或主观心理感受，相过去分词作表语表示主语所处状态或主观心理感受，相当于形容词的作用。此类常见词有：当于形容词的作用。此类常见词有：lThe young NBA basketball star is married.lThe window of my room is broken.lDont be so disappointed.lWe are excited to hear the good news.lWe are always pleased to

17、 be able to help.状态状态主观心主观心理感受理感受要点二：要点二：过去分词作表语时，与谓语动词构成过去分词作表语时，与谓语动词构成系表结构系表结构，该结构，该结构易与易与被动结构被动结构混淆：一般情况下，作表语用的过去分词混淆：一般情况下，作表语用的过去分词前可加前可加quitequite，veryvery，ratherrather等修饰语。而被动语态强等修饰语。而被动语态强调动宾关系，多可后接调动宾关系，多可后接byby短语。短语。lThe boy was absorbed in the book.l男孩沉浸在书中。（系表结构）男孩沉浸在书中。（系表结构）lThe boy w

18、as saved by a policeman.l男孩是被一名警察救的。（被动语态）男孩是被一名警察救的。（被动语态）要点三：要点三：个别情况下，主语是人也可表示个别情况下，主语是人也可表示“令人令人/使别人感到使别人感到.”.”；主语是物也可表示主语是物也可表示“感到感到/觉得觉得.”.”。lHe is terrifying.他很吓人。（指他的长相或举动令人害怕他很吓人。（指他的长相或举动令人害怕)lHe is terrified.他很害怕。他很害怕。lPlease describe a dog that is frightened.请描述一只惊恐的狗。（狗受到了请描述一只惊恐的狗。（狗受到

19、了惊吓）惊吓）lPlease describe a dog that is frightening.请描述一只令人害怕的狗。请描述一只令人害怕的狗。1.WhenIwentin,theywere_inaheateddiscussion.A.absorbB.absorbedC.absorbingD.beingabsorbed2.Cleanersinbigcitiesusuallyget_bythehour.A.payB.payingC.paidD.topay3.Thechildrenwereall_aftertheyheardthe_newsthattheyweregoingforaspringo

20、utingthisweekend.A.inspired;inspiring B.inspired;inspiredCinspiring;inspiredD.inspiringinspiringPart4巩固练习Seen fromspace,theearthlooksblue.Whentheearthisseenfromspace,theearthlooksblue.Keptinthefridge,thesevegetableswillremainfresh.Ifthesevegetablesarekeptinthefridge,thevegetableswillremainfresh.将下列状

21、语从句变成过去分词作状语将下列状语从句变成过去分词作状语Deeplymovedbythestory,thechildrenbegantocry.Astheyweredeeplymoved,thechildrenbegantocry.Shewalkedoutofthehouse,followedbyherlittledaughter.Shewalkedoutofthehouse,andshewasfollowedbyherlittledaughter.Beatenbytheenemy,herefusedtoletoutthesecret.Althoughhewasbeatenbytheenemy

22、,herefusedtoletoutthesecret.Ifyouwanttobeaninventor,youmusthaveaplan_(design)tosolveaparticularproblem.Thisisnotaseasyasitsounds.Manyideas,_(develop)afterweeksofresearch,maynotprovesuccessful.Manyunsuccessfulapproachesare(reject),andonlythemostcreativeandsuccessfulonesare(welcome).Eachidea(test)byyo

23、uwillneedtobe(improve)untilitleadsyouclosertoanewinvention.Oncethishardworkhasbeencompletedandthepatentcommitteehasapprovedyourdesign,youwillfindyournewinvention_(adopt)onallsides.语篇填空语篇填空designeddesigneddevelopeddevelopedrejectedrejectedwelcomedwelcomedtestedtestedimprovedimprovedadoptedadopted经典例句

24、背诵Absorbedinthenewspaper,hedidnthearthebell.Recoveredfromhisoperation,hedecidedtoleavethehospital.Devotedtoherwork,shehasnotimetotravel.Seatedinachair,Johnlookssatisfied.Dressedinred,thegirliswritingaletterwithherfavouritepen.Locatedneartheriver,thechemicalfactoryisreadytopourwastewaterintoit.Facedwithsomanyproblems,theynevergaveup.Satisfiedwithhisresultofthefinalexamination,Tomwassmilingallthetime.HomeworkDreamwhatyouwanttodream.1.2.