Unit3FascinatingParksDiscoveringUsefulStructures动词-ing作主语课件-高中英语人教版选择性

Unit3FascinatingParks

Discoveringusefulstructures

动词-ing形式作主语DiscoverusefulstructuresLearningObjectivesTomasterthebasicgrammarrulesofV-ingformasthesubject.(掌握V-ing形式做主语的基本语法规则。)Tounderstandthegrammarruleof“It”asformalsubject.（理解It作形式主语的语法规则。）Identifythefunctionofthe-ingforminthesentencebelow.Thenfindmoresentenceswiththe–ingformfromthereadingpassageandstatetheirfunctions.Gettinghereisquitedifficult.Beinginsuchabeautifulandwildplace

makesmefeelblessed

tobealive.作主语作主语The-ingform:Gettoknowmoreabout-ingformV-ing

形式动名词现在分词时态/语态主动语态被动语态复合结构否定式V-ing一般式doingbeingdonesb/sb’sdoingsb/sb’snotdoingsb/sb’snothavingdone完成式havingdonehavingbeendoneLet’slookatmoresentenses:Telling

whetheritismorningornight

isimpossible.Lookingafterreindeer

wasawayoflifefortheSami.

Mary’sbeinglateforclass

madeherteacherangry.句中红色部分是动词-ing形式，在句中作__________。谓语动词用________形式。动词-ing作主语表示___________________________, 被动形式为_______________。主语单数习惯性或经常性的动作beingdone动词-ing形式作主语1.动词-ing形式作主语时，表示泛指，一般指抽象的、概念性的动作，可以是多次的、经常性的行为。Readingaloudisagoodwaytolearnaforeignlanguage.Goingtobedearlyandgettingupearlyisconsideredtobeagoodhabit.注意区别：lyingiswrong.VsTolietoheriswrong.动名词作主语抽象、泛指、概念性不定式作主语具体的或一次性动作动词-ing形式作主语2.动词-ing的复合结构作主语时,其形式为

名词所有格/形容词性物主代词+动词-ing”。Hisbeinglateagainmadehisteacherveryangry.Mike’sreturningtoworkisagreathelptohisfamily.动词-ing形式作主语3.动词-ing形式的否定式是在其前面加not。Not

finishing

his

homework

makeshimupset.Tom’s

not

coming

home

in

timemadehisparentsworried.动词-ing形式作主语4.动词-ing形式作主语时常后置，用it作形式主语，用形容词或名词作表语。常见的作表语的名词或短语有：nouse,nogood,fun,hardwork,awonder,awasteoftime等。Itwasawasteoftimereadingthatbook.Itisnousecryingoverspiltmilk.Itis/wasawasteoftimedoing…做……是浪费时间的Itis/wasnogood/use/uselessdoing…做……是没有用的Itis/wasworth/worthwhiledoing…做……是值得的Thereisnosense/pointindoing…做……没有用/没有意义Thereisnodenyingthat…不能否认的是……Summary形

式意义及功能用

法V-ing做主语的三种形式一般式v+-ing动词的形式，名词的用法和意义。动词-ing形式具有名词的性质，因此在句中可以作主语、宾语、表语、定语等。动词-ing形式作主语往往表示经常性、习惯性的动作。此时，谓语动词用单数形式。①动词-ing在句首直接作主语。②It在句首作形式主语，动词-ing短语作真正的主语。③Therebe+no+动名词Practice1．Itisawasteoftime

(talk)aboutsuchathing.2．His

(oppose)myplanmademefrustratedanddisappointed.

3．Nowadays,

(equip)withaknowledgeofcomputerisanessentialqualificationinthejobmarket.4．Itiswellworth

(cycle)alongtheroute,whichwillrewardyouwithbreathtakingscenery.

5．Not

(know)whattodonextmademeataloss.6．Thereisno__________(joke)

aboutsuchmatters.7.Itisacknowledgedthatswimming________(be)arewardingsportinsummer.

8._______

(keep)

diariesinEnglisheverydayisagoodwaytoimprovewrittenEnglish.talkingopposingbeingequippedcyclingknowingjokingisKeepingP29Rewriteeachofthefollowingsentencesusingthe-ingformasthesubject.1.Itisbothchallengingandrewardingtostudyabroad.Studyingabroadisbothchallengingandrewarding.

2.ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.3.Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.4.Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.5.Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Fillintheblanksusingthe-ingformofaverbfromtheboxandstateitsfunction.Onewordwillbeusedtwice.combine,cover,grow,take,limit,walk,experienceXixiNationalWetlandPark,

10squarekilometersinwesternHangzhou,isthefirstnationalwetlandparkinChina.

citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,

aboattour,

________along

paths,and____________localcustomsandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople’sfavoriteactivities.Withtrees,bushes,andcolorfulflowers___________alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.coveringCombiningtakingwalking experiencinggrowingcombine,cover,grow,take,limit,walk,experienceInordertobetterdevelopaswellaspreservethisplace,__________humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwayto