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1、Discoveringusefulstructures Unit3 Worriedaboutthejourney Iwasunsettledforthefirstfewdays AsIwasworriedaboutthejourney Iwasunsettledforthefirstfewdays Translatethesentencebelow Findthreemoresentenceswithpastparticiplesusedastheadverbial Wellknownfortheirexpertise hisparents company called FutureTour
2、transportedmesafelyintothefutureinatimecapsule Hitbyalackoffreshair myheadached Exhausted Islidintobedandfellfastsleep Pastparticiple 3 usedasAdverbial Attribute Pastparticipleusedasadverbial 1 Whenitisheated icewillbechangedintowater 2 Whenitisseenunderamicroscope afreshsnowflakehasadelicatesix poi
3、ntedshape Whenheated icewillbechangedintowater Seenunderamicroscope afreshsnowflakehasadelicatesix pointedshape 过去分词 过去分词是非谓语动词的一种形式 表示完成和被动的动作 它在句子中可以充当状语 定语等成分 过去分词与现在分词作状语过去分词表完成 被动 与主句主语之间是被动关系 现在分词表进行 主动 与主句主语之间是主动关系 如果一个被动的动作发生在谓语动词之前 则可使用现在分词的完成被动式或过去分词 attention 过去分词表完成 被动 作状语时 其逻辑主语是主句的主语 且
4、与主语之间存在着被动关系 过去分词作状语可表时间 原因 让步 结果 方式 条件等 观察下列的句子 Oncepublished hisworks becamefamousfortheabsenceofrhymeattheendofeachline PP作时间状语 相当于一个时间状语从句有时过去分词前可加连词when或while来强调时间概念 Oncehisworkswaspublished 过去分词作时间状语 1 Whenitisheated icewillbechangedintowater Whenheated icewillbechangedintowater 2 Whenitisseen
5、underamicroscope afreshsnowflakehasadelicatesix pointed Seenunderamicroscope afreshsnowflakehasadelicatesix pointedshape 过去分词作原因状语 1 Since Asshewasgivenadvicebythefamousdetective theyoungladywasnolongerafraid Givenadvicebythefamousdetective theyoungladywasnolongerafraid 2 Becauseitwasdoneinahurry hi
6、shomeworkwasfullofmistakes Doneinahurry hishomeworkwasfullofmistakes 过去分词作条件或者假设状语 Iftheyhadbeengivenmoreattention thecabbagescouldhavegrownbetter Givenmoreattention thecabbagescouldhavegrownbetter 2 IfIamcomparedwithyou westillhavealongwaytogo Comparedwithyou westillhavealongwaytogo 作方式或伴随情况状语 Theh
7、unterlefthishouse followedbyhisdog Thehunterlefthishouse andhewasfollowedbyhisdog 2 Shesatbythewindow lostinthought Shesatbythewindow andshewaslostinthought lost表示一种迷失心理状态 1 过去分词在句子中可以作时间状语 原因状语 伴随状语 条件状语和让步状语等 2 过去分词作状语时 过去分词的逻辑主语与句子主语一致 Summary 过去分词作状语 过去分词有两大特点 1 表示被动的动作 2 表示已经完成的动作 因此 当过去分词作状语的时
8、候一定要搞清楚分词与主语的逻辑关系 被动 例如 Rewritewithproperconjunctions 1 Unitedwestand dividedwefail Ifweareunited wewillstand butifwearedivided wewillfail Example 2 Askedwhathadhappened hetoldusaboutit Whenhewasaskedwhathadhappened hetoldusaboutit 3 Wellknownforhisexpertadvice hereceivedmanyinvitationstogivelecture
9、s Becausehewaswellknownforhisexpertadvice hereceivedmanyinvitationstogivelectures 4 Givenmoretime wewouldbeabletodotheworkmuchbetter Ifweweregivenmoretime wewouldbeabletodotheworkmuchbetter 5 OncetranslatedintoChinese thebookbecameverypopularamongChineseteenagers OnceitwastranslatedintoChinese thebo
10、okbecameverypopularamongChineseteenagers 6 Deeplyinterestedinmedicine shedecidedtobecomeadoctor Becauseshewasdeeplyinterestedinmedicine shedecidedtobecomeadoctor 7 Leftaloneathome Samdidnotfeelafraidatall Althoughhewasleftaloneathome Samdidnotfeelafraidatall 用过去分词作状语来改写句子 AsIwasworriedaboutthejourne
11、y Iwasunsettledforthefirstfewdays Iwasunsettledforthefirstfewdays Worriedaboutthejourney 2 Ifheisgiventime he llmakeafirst classtennisplayer he llmakeafirst classtennisplayer 3 AsIwasconfusedbythenewsurroundings Iwashitbythelackoffreshair Iwashitbythelackoffreshair Giventime Confusedbythenewsurround
12、ings 4 Whenhewasquestionedbythepoliceaboutthefire hebecametense hebecametense Questionedbythepoliceaboutthefire Findoutthesentenceswithsamemeaning 1 AsIwasworriedaboutthejourney Iwasunsettledforthefirstfewdays Worriedaboutthejourney Iwasunsettledforthefirstfewdays 2 WhileIwasconfusedbythenewsurround
13、ings Iwashitbythelackoffreshair Confusedbythenewsurrounding Iwashitbythelackoffreshair 3 AsIwasexhausted Islidintobedandfellfastasleep Exhausted Islidintobedandfellfastasleep 1 Frightenedbytheloudnoise Iwenttoseewhatwashappening 2 Hitbythelackoffreshair hegotabadheadache 3 Tiredafterthelongjourney I
14、stillenjoyedmeetingthealiensonthespacestation4 Frightenedbythenoiseoutside thelittlegirldarednotsleepinherbedroom Combinethesesentencesusingthepastparticipleastheadverbial page21Ex2 5 Builtin1910 themuseumisalmost100yearsold 6 Givensomeadvicebythefamousscientist thestudentwasnotworriedabouthisscient
15、ificexperimentanymore 7 Exhaustedafteraday swork Georgetooksometabletstohelphimfeelbetter 8 Veryastonishedbytheamountofworkinthenewtimetable Lucydecidedtoleaveherjobimmediately 1 Followingtheoldman wewentupstairs wefollowed 跟着那个老人 我们上去了 2 Followedbytheoldman wewentupstairs wewere 被那个老人跟着 我们上去了 Compa
16、re 3 从上面看 体育场好像一个鸟巢 fromthetop thestadiumlookslikeabirdnest A SeeingB Seen4 从太空看 宇航员看不到长城 fromthespace theastronautcannotdiscovertheGreatWall A SeeingB Seen DifferencebetweenthePresentParticipleandthePastParticiple foralongtime thebooklooksold 由于用了很长时间 这本书看上去很旧 thebook Ifindituseful 在使用的过程中 我发现这本书很有用 ather hejumpedwithjoy atbyher hejumpedwithjoy Used Using Looking Looked 注意 选择现在分词还是过去分词 关键看主句的主语 如分词的动作是主句的主语发出 分词就选用现在分词 反之就用过去分词 Fillintheblanks 1 frighten bynoisesinthenight thegirlnolongerdareto
