Unit+2+Morals+and+Virtues+第3课时+Discovering+Useful+Structures+课件 - 副本

Unit2MoralsandVirtuesTeachingobjectives

1.Identifyandunderstandthemeaningandfunctionsofthe-ingformusedastheadverbialandtheobjectcomplement.2.Usethe-ingformastheadverbialandtheobjectcomplementtodescribepeople’sactionsandexperiences.3.Learntocomparethe-ingformandpastparticiples.

Period3DiscoveringUsefulStructures不定式todo过去分词v-ed动名词v-ing现在分词v-ing非谓语动词1234动词v-ing23Lead-in

动词-ing

V-ing形式由“do＋ing”构成,其否定形式是“notdoing”,V-ing可以带宾语或状语构成V-ing短语,没有人称和数的变化,但有时态和语态的变化。语态时态主动语态被动语态一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendonedoing的一般式和完成式Lead-in

观察下面句子并分析画线部分在句中所作的成分

1.Playingwithfireisdangerous.

主语2.PeppaandGeorgealwaysloveskippinginmuddypuddles.佩奇和乔治总喜欢在泥坑里跳来跳去。3.Hishobbyisdressingupasagirl.他的爱好是打扮成女孩子的样子。宾语表语Lead-in

4.ThemandoingthelivebroadcastiscalledDongYuhui.正在做直播的这位男士名叫董宇辉。定语5.Focusingonherphoneasshewalked,shehitthedoor.

状语6.TheheadteachersawLiMingplayingwithsmartphoneintheclassroom.宾语补足语Focuson

基本用法the–ing

formusedasadverbialExplanation

Done时间:原因:条件：让步：方式或伴随或结果：非谓语动词作状语相当于一个状语从句或并列句可转换为由“when,while,until引导的时间状语从句可转换为由since,because或as引导的原因状语从句可转换为由if,once或unless引导的条件状语从句可转换为由though/although引导的让步状语从句可转换为并列句被动

过去Doing主动进行逻辑主语必须与句子的主语一致现在分词作时间状语时，相当于时间状语从句。可在现在分词前加连词“when,while,until”等，使其时间意义更明确Walkinginthepark,shesawanoldfriend.＝When/while(shewas)walkinginthepark,shesawanoldfriend.1.v-ing形式作时间状语逻辑主语与句子的主语一致；主动/进行改写下面的时间状语从句Whenhewalkedoutoftheroom,hesawadog.Walkingoutoftheroom,hesawadog.现在分词作原因状语时，可转换为由since,because或as引导的原因状语从句，这类状语多放在句子的前半部分。Beingill，hecouldn'tgotoschool.＝Ashewasill，hecouldn'tgotoschool.2.v-ing形式作原因状语逻辑主语与句子的主语一致；主动/进行Notknowingtheway,hegotlost.翻译句子：由于不认路，他迷路了。

Ashe__________________,hegotlost.didn’tknowthewayV-ing形式的否定式是在其前面加not现在分词作条件状语时，可转换为if,once或unless等引导的条件状语从句。Workinghard，you'llmakegreatprogress.＝Ifyouworkhard，you'llmakegreatprogress.3.v-ing形式作条件状语Ifwe___________,wewillsucceed.翻译句子：努力学习,我们就会成功。Studyinghard,wewillsucceed.studyhard逻辑主语与句子的主语一致；主动/进行现在分词作让步状语时，相当于一个以though/although引导的让步状语从句。Workingorreading，shealwaysdidherbest.＝Whethersheworkedorread，shealwaysdidherbest.4.v-ing形式作让步状语逻辑主语与句子的主语一致；主动/进行Knowingitisdifficult,Idon’tgiveup.翻译句子：虽然知道它很难，我也不放弃。AlthoughI_________________,Idon’tgiveup.knowitisdifficult现在分词作方式，结果或伴随或方式状语时，通常不能转换为状语从句，但可用并列句代替。Istoodbythedoor，notdaringtosayaword.＝Istoodbythedoor，anddidn’tdaretosayaword.Hisparentsdied，leavinghimanorphan.＝Hisparentsdiedandlefthimanorphan.Marysatbythewindow,readingabook.=Marysatbythewindowandwasreadingabook.5.v-ing形式作方式/结果/伴随状语Pleaseanswerthequestionusinganotherway.Hewentabroad,leaving

hisuncleabighouse.1.

Havingfinished

hishomework,herushedouttoplaybasketball.2.Havingstudiedhislessonsveryhard,hepassedthetest.注意1：havingdone表示比句子的谓语动词先发生,句子主语与havingdone的关系是主动关系

1._________________(turn)

offtheTV,hebegantogooverhislessons.

2.______________(finish)hishomework,hewentouttoplayfootballwithhisfriends.3._________________(buy)

whatsheneeded,Mrs.Smithwentoutofthemarket.HavingturnedHavingfinishedHavingbought1.

Notknowing

thisnews,hecomestoschool.2.Nothavingmadefullpreparations,weputoffthetest.3.Nothavingstudiedhislessonsveryhard,hefailedthetest.注意2：V--ing形式的否定式：

not+动词ing；not+havingdone

____________(know)whattodo,Miketurnedtohisteacherforhelp.NotknowingThetreesareverytall,somemeasuringover90metres.Theweatherbeingfine,wewentoutforawalk.Wintercoming,itgetscolderandcolder.Timepermitting,Iwillgowithyou.注意3：独立主格结构：主句的主语和状语的主语不一致通常用来表示伴随的动作、时间、原因或条件

技巧：可以把独立主格结构理解为：（with）+_____+_____结构1._______(hear)thenews,theycouldn’thelpjumping.2.Becarefulwhen___________(cross)thestreet.3.__________________(work)forthreehours,hetookarest.4.___________(use)yourhead,you’llhaveagoodidea.5.___________(work)hard,hedidn’tfeelabittired.6.Theheavyrainlastedthreedays,__________(result)inserioustrafficjams.7.Thegirlcamein,_________(follow)herparents.8.________(walk)inthepark,shesawanoldfriend.9.Marysatbythewindowoftheclassroom,_________(read)abook.10._______________(finish)hishomework,Tomlistenedtomusic.ExercisesHearingcrossingHavingworkedUsingWorkingresultingfollowlingWalkingreadingHavingfinishedthe–ing

formusedasobjectivecomplementExplanation

1.Ifelt

somebody

standingbehindme.2.Withsomanypeople

lookingat

her,shefeltnervous.3.Alongtheway,wesaw

manypeople

playing

music,singing,anddancing.4.Iwon’thave

you

runningaboutintheroom.1.-ing形式作宾语补足语常放在宾语后面，表示一个正在进行的主动性的动作，强调一个过程或一种状态。动词ing形式作宾语补足语2.能用-ing形式作宾语补足语的几类动词:1.Hesawagirl

wanderingonthestreetthistimeyesterday.

2.Ifelt

myheartbeatingviolentlywhenIwasseeingthe70thanniversaryoffoundationofChina.3.Canyousmell

anythingburning?4.Ashespoke,heobserved

everybodylookingathimcuriously.5.)Inoticed

athiefstealingmoneyfromtheoldwoman’spocketyesterday.

①表示感觉和心理状态的动词，常见的有see,hear,feel,smell,find,notice,observe,lookat,listento等。

see,hear,feel,watch等动词之后用-ing形式和动词不定式作宾语补足语的区别：1.Wepassedbytheclassroomandsawtheteachermakingtheexperiment.2.Wesatanhourandwatched

theteachermakethe

experiment.

我们走过教室，看见老师在做实验。我们坐了一个小时，看老师做实验。（只在走过教室的刹那间，看见老师正在做实验）（一个小时之内一直在看老师做实验）表示动作正在进行表示（或强调）动作从开始到结束的全过程①使役动词接现在分词作宾语补足语表示“让…一直做某事”。接不带to的不定式作宾语补足语表示“让某人做某事”；接过去分词作宾语补足语，表示“主语请某人做某事，使完成某事或主语遭遇某事”。②使役动词let，make后常接不带to的不定式作宾语补足语。Becareful,oryou'llhaveyourhandshurt.当心，否则会弄伤手的。Hewillhave/getthecomputer

repaired

tomorrow.3.用于with复合结构中Icouldn'tdomyhomeworkwiththenoisegoingon.由于噪声不断，我没法做家庭作业。Withso

manypeople

lookingather,shefeltnervous.这么多人看着她,她感到紧张feelwantfacesmilereturnworryhearknock1.__________thathiswifehadbeeninjuredinanaccident,MrJohnsonhurriedtothehospital.2.Duringthe

operation,shesatinthewaitingroomforoveranhour__________abouthim.3.Isawher

whisperingsomethingintohisear,obviouslynot_________tobeheard.Hearingworryingwantingn.

事故；车祸n.

手术vi.&vt.

悄声说；耳语P18.Completethesentenceswiththecorrectformsoftheverbsinthebox.Practice

4.Hesuddenlywokeupat

midnight

whenheheardsomeone__________athisdoor.5._________higher

import

and

export

costs,thecompanyislookingforwaystosurvive.6.__________fromtheNorth

Pole,thetravellerwroteabookabouthisexperienceandhaditpublishedthefollowingyear.7.Thechildlayonhermother's

lap,_________sweetly.8.________hurtbytherejection,shebitherlipandquietlywalkedaway.FacingReturningsmilingFeelingfeelwantfacesmilereturnworryhearknockknockingn.

子夜；午夜n.

进口n.

出口n.(行星的)极；地级n.

(坐着时的)大腿部HenryNormanBethunewasaCanadiandoctorwithaverycreativemindandadeterminationtohelppeople.Asasmallboy,hebecameveryinterestedinmedicine

anddecidedtobecomeadoctor.Afterhegraduatedfrommedicalcollegein1916,BethuneworkedasadoctorinEngland,theUS,andCanada.Hereinventedorredesignedover10medicalinstrumentstomakethemmoreuseful.In1938,BethuneleftforChina,

afterheheardthatmanypeopleweredyinginthewar.…,decidingtobecomeadoctor…,afterheheardthatmanypeopleweredyinginthewarP18.Readthestoryandrewritetheunderlinedpartsusingthe–ingform.Despitethedifficultsituation,DrBethunedidwhateverhecouldtoassisttheChinesepeople.

Hehelpedtoorganisehospitals,taughtdoctorsandnurses,andshowedpeoplehowtogivefirstaid.

Sadly,DrBethunepassedawayinNovemberthefollowingyearandwasburiedinShijiazhuang.AfterDrBethune'sdeath,Chairman

MaoZedongwroteanarticleinmemoryofhim,inwhichhepraisedDrBethuneasaherotoberememberedinChina.Helpingtoorganisehospitals,hetaught…OR…,teaching…andshowing…,…praisingDr.Bethuneas…1A:Youlookreally_________(tire).Youshouldgohomeandhavearest.B:Yes,well,afive-houroperationisp