Unit3FascinatingParksDiscoveringUsefulStructures课件高中英语人教版选择性

一、动词-ing形式动词-ing形式,由“动词原形+ing”构成,是动词非谓语的一种形式,包括现在分词和动名词两种,在句中可以作主语、宾语、表语、定语、状语和宾语补足语。ReviewDrawamindmapoftheusesof-ingforms.-ing定语状语表示具体行为谓语动词用单数修饰名词，放名词前后均可修饰主语，表示主动关系主语宾语补足语修饰宾语，对宾语进行补充说明Listentoasong--RedActivity1:Lead-inLovinghimislikedrivinganewMaseratidownadeadendstreetFasterthanthewind,passionateassin,endingsosuddenly

himisliketryingtochangeyourmindonceyou'realreadyflyingthroughthefreefallLikethecolorsinautumnsobrightjustbeforetheyloseitall

himwasblue,likeI'dneverknown

himwasdarkgray,allalone

himwasliketrying

toknowsomebodyyounevermetButlovinghimwasred

himwasredTouchinghimwaslikerealizingallyoueverwantedwasrightthereinfrontofyouMemorizinghimwasaseasyasknowingallthewordstoyouroldfavoritesongFightingwithhimwasliketryingtosolveacrosswordandrealizingthere'snorightanswerRegrettinghimwaslike

wishingyouneverfoundoutthatlovecouldbethatstrongLovingLosingMissing

ForgettingLovingTaylorSwiftthe–ingformasthesubject位置及意义

：

动词-ing形式

作主语，

往往表示抽象的、习惯性的动作,通常直接置于________。

句首Unit3FASCINATINGPARKS

Period3DiscoveringUsefulStructuresThe-ingformusedassubject

动词-ing作主语的几种形式：动词-ing形式作主语时,根据主谓一致的原则,谓语动词使用________形式。但是意义不同的两个动词-ing形式并列作主语时,谓语动词要用_________形式。

单数复数⑴

Talkingiseasierthandoing.⑵

Readingaloudisagoodwayinlearningalanguage.⑶ListeningtotheEnglishtapesandwatchingEnglishfilmsaregoodwaystolearnEnglish.1.-ing形式直接放在句首，表示抽象的、经常的以及习惯性的动作或状态。Compare&DiscoverSingingismyhobby,andtosingatmyfriend'sweddingceremonyismydream.2.动词-ing形式作主语时，多指经常性、

习惯性的动作；不定式作主语时，表示具体的或一次性的动作。Translatingthefollowingsentences.1.沉迷手机是浪费时间的。Beingaddictedtosmartphones

isawasteoftime.2.争论此类事情无益。Arguingaboutsuchthings

isnogood.3.参加这个活动是值得的。Takingpartinthisactivity

isworthwhile.TransformandObserveHikingthroughthemountainsinthepathlessSarekisgreatfun.ItisgreatfunhikingthroughthemountainsinthepathlessSarek.V.-ing形式作主语it代替V.-ing

形式作形式主语3.在一些句子结构中，为了平衡句子结构，会将作主语的V.-ing形式后移，用it来充当其,真正的主语是

。形式主语V.-ingItisworthreadingsuchawonderfulnovel.这么好的书很值得一读。It’snousecomplainingwithouttakingaction.不行动只抱怨是没有用的。注意：动名词作主语用it充当形式主语的情况很少，上表中是最常见的句式结构。不定式作主语时，常用it充当形式主语，如：It’snoteasytolearnaforeignlanguagewell.学好一门外语不容易。It’sdifficultforustofinish

theworkinaweek.对我们来说，一周之内完成这项工作很困难。Itisnogood/usedoing...做...是没用的。Itisnofundoing…做...没有乐趣。Itisawasteoftimedoing…做…是浪费时间Itisworth/worthwhiledoing…做...是值得的。此类句式常见的有:2.有时为了句子平衡，避免头重脚轻,

用it在句首作形式主语，而把真正的主语(动词-ing短语)后置。注意：此类句型只限于以上某些形容词或少数名词,如:worth,worthwhile,awasteoftime,

nouse/good/fun等。1.Beingaddictedtosmartphonesisawasteoftime.2.Arguingaboutsuchthingsisnogood.3.Takingpartinthisactivityisworthwhile.It’sawasteoftimebeingaddictedtosmartphones.It’snogoodarguingaboutsuchthings.It’sworthwhiletakingpartinthisactivity.Practice1.

(talk)iseasierthandoing.2.Learningnewwords

(be)veryimportantforme.3.Itisnouse______________(manage)toconvincehimnow;hehasalreadymadeuphismind.4.Itwasawasteoftime_________(cry)aboutthelostopportunity.5.It'sfun________(play)withyou,butIhavetogonow.6.It’sworthwhile___________(try)thisnewmethod.TalkingcryingplayingtryingmanagingisThereisnodoingsth.Therewasnotellingwhenthismighthappenagain.该句型一般指不可能或不被允许。Thereisnodenyingthatactionsspeaklouderthanwords.Pleasebequiet.There'snotalkingduringtheperformance!3.“Thereis+no”后可用-ing形式作主语，表示“没法…;不允许…”。没法预料这样的事什么时候会再发生。不可否认，事实胜于雄辩。eg.请安静。看演出时不允许讲话。动词-ing形式的复合结构作主语时有两种形式:1.形容词性

+动词-ing形式;2.

+动词-ing形式。4.动词-ing的复合结构作主语物主代词名词所有格1.Theirfailingintheexaminationmadethemalldisappointed.2.Kate’sleaving

madeeveryonesad.【练一练】(1)____________________madehisteacherveryangry.

他又一次迟到使他的老师非常生气。(2)

isagreathelptohisfamily.

麦克回来工作对他全家来说都是一大帮助。HisbeinglateagainMike’sreturningtowork动词-ing形式的时态和语态完成句子①琳达已经被我的狗咬了，所以她拒绝再和我玩。_____________________bymydogmadeLindareufsetoplaywithmeagain.②有时候被惩罚是一件好事。Sometimes_________________maybeagoodthing.beingpunishedHavingbeenbitten1.____________(bite)bysnakescanbevitaltopeople.2.__________(see)differentfamilieshavingfuntogetherinnatureinspringisacommonthing.3._______________(invite)totheeveningpartyisagreathonorforme.4._____________(tell)thatyouwoulddancetothepopsong,LittleApple,mademeexcited.BeingbittenSeeingBeinginvitedBeingtold【练一练】动词-ing形式的否定形式动词-ing形式的否定形式通常是在其前加not,带有逻辑主语时，not应放在逻辑主语和-ing

形式之间。Notknowinghowtouseacomputermakesitmoredifficultforhimtodohisacademicresearch.

Nothavingdonehishomeworkmakestheteacherangry.Yourschoolmate’snotcominghomeintimemadeherparentsworried.(1)______________________________(没买那条贵裙子)causesthecoupletoquarrel.

(2)_____________________(未能通过考试)madehimdisturbed.

NotbuyingtheexpensivedressNotpassingtheexam【练一练】动词-ing形式作主语表示经常性或习惯性的动作且常放句首形容词性物主代词+动词-ing名词所有格+动词-ing动词-ing作主语动词-ing的复合结构It’sawastetimedoingsthIt’snouse/nogood/nofundoingsthIt’sworthdoingsthit作形式主语动词原形+-ing基本构成基本用法动词-ing与动词不定式作主语的区别Summary____________(run)isnotonlybeneficialtoourhealthbutalsofriendlytotheenvironment.____________(invite)tothepartyisagreathonourforthewholefamily.Not____________(finish)thetaskontimemadehimunhappy.____________(criticize)beforethewholeclassmademefeelembarrassed.____________(win)thegoldmedalintheOlympicGamesmadeherfamousovernight.Itisawasteoftime____________(play)videogames.Itisbadmanners____________(talk)loudlyinpublicplaces.RunningBeinginvitedfinishingBeingcriticizedHavingwonplayingtotalkExercise1Rewritethefollowingsentenceswith-ingformasthesubject.Example:ItischallengingyetreallyfascinatingtohikethroughthemountainsinthepathlessSarek.Whatdoesitrefer?HikingthroughthemountainsinthepathlessSarekischallengingyetreallyfascinating.RewriteP29Ex.21.Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.RewriteGoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.2.ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.Rewrite3.Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.Rewrite4.Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.

Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.RewriteP.29XixiNationalWetlandPark(西溪国家湿地公园),________10squarekilometresinwesternHangzhou,isthefirstnationalwetlandparkinChina.__________citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,______aboattour,________alongpaths,and___________localcustomsandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople’sfavouriteactivities.Withtrees,bushes,andcolourfulflowers________alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.Inordertobetterdevelopaswellaspreservethisplace,________humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometomanybirdsandfishes.Withtrees________intheshallows,thewetlandisanaturalsystemforprovidingcleanwaterandproducingoxygen,whichmakesitthe“greenlungsofHangzhou”.coveringCombiningtakingwalkingexperiencinggrowinglimitinggrowing定语主语主语定语主语宾补Fillineachblankusingthe-ingformofaverbfromtheboxandstateitsfunction.Onewordwillbeusedtwice.XixiNationalWetlandPark,________10squarekilometresinwesternHangzhou,isthefirstnationalwetlandparkinChina.__________citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,_______aboattour,________alongpaths,and____________localcustomsandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople'sfavouriteactivities.Withtrees,bushes,andcolourfulflowers________alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.Inordertobetterdevelopaswellaspreservethisplace,_______humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometomanybirdsandfishes.Withtrees________intheshallows,thewetlandisanaturalsystemfor