Unit3FascinatingparksDiscoveringUsefulStructures课件高中英语人教版选择性

Unit3FascinatingParks新人教版选择性必修Book1DiscoveringUsefulStructuresP29Learningobjectivesrecognizeandsummarizethefountionof-ingformasthesubject;summarizethedifferentusesof-ingform;finishthecorrespondingexercisesabout-ingform;use-ingformasthesubjecttodescribeaplaceinwriting.Inthisclass,youwillGettinghere

isquitedifficult.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.Leadin主语/subjectPickoutthesentenceswiththe–ingformasthesubjectIwakeuptothesoundofthewindbuffetingtheclothofmytent.Closeby,thereareafewreindeerfeedingongrass.Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornightisimpossible.Forhundredsofyears,lookingafterreindeer

wasawayoflifefortheSami.

①②③④Identify

Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.Spreadingoutbeforeme,branchesoftheRiverRapaflowthroughthevalleybelow.Around9,000yearsago,thisicemelted,leavingbehindabout100glaciers.⑤⑥⑦Pickoutthesentenceswiththe–ingformasthesubjectIdentify

Buteveryspring,asmallnumberofSamistillfollowtheirreindeerintothevalleysofSarek,livingintentsoroldcottagesandenjoyingtheirtraditions.HereIam,aloneunderthebroadsky,breathingthefreshair,andenjoyingthisgreatadventure.Ifoundsomesweetberriesgrowingnearmytent.⑧⑨⑩Pickoutthesentenceswiththe–ingformasthesubjectIdentifyRewriteeachofthefollowingsentencesusingthe-ingformasthesubject.EXAMPLEItischallengingyetreallyfascinatingtohike

throughthemountainsinthepathlessSarek.HikingthroughthemountainsinthepathlessSarekischallengingyetreallyfascinating.1)Itisbothchallengingandrewardingtostudyabroad.

2)ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.

Studyingabroadisbothchallengingandrewarding.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.Experience3)Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.4)Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.5)Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.

Howdoesthesentencefocuschange?Theuseof-ingformsassubjectsputstheactionfirst,makingthesentencesseemmoredynamic.一、动词-ing作主语的三种形式：1.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，单个的动词-ing作主语,谓语动词用单数，两个或两个以上的动词-ing短语作主语,如果表示一件事,谓语动词用________。如果表示两件或多件事情,谓语动词用_______。1)

Goingtobedearlyandgettingupearlyisgoodforourhealth.

早睡早起有益于我们的健康。

ListeningtotheEnglishtapesandwatchingEnglishfilmsaregoodwaystolearnEnglish.

听英语磁带和看英文电影是学习英语的好方法。

Finding单数复数2.it在句首作形式主语，动词-ing形式后置作真正的主语，用形容词或名词作表语。nouse,nogood,fun,hardwork,ahard/difficultjob,awasteoftime常见的名词或名词短语

dangerous,worthwhile,useless常见的形容词

it作形式主语的常见句型：It+is+awasteoftimedoing做……是浪费时间的Itisnogood/use/fundoing做……是没用处的Itisuseless/usefuldoing

做……是无用的、有用的Itisnopleasuredoingsth做……没乐趣Itisworth/worthwhiledoing做……是值得的It’sfun/apleasuredoing...做……感到愉快/荣幸e.g.玩电脑游戏是浪费时间的/是无用的。

定期锻炼身体是感到愉快的。3.在therebe结构中作主语：这种结构的意思相当于“Itisimpossibletodo…”。Therebeno动词ing1)Thereisnodenying否认thatweshouldformagoodroutine.例句：2)Thereisnojokingaboutsuchamatter.这种事开不得玩笑。我们不可否认应该养成良好的日常习惯即学即用1.说服他加入我们就是在浪费时间。2.在这儿等是没用的,我们走吧。3.在教育上花钱是值得的。4.和不诚实的人交朋友是没有好处的。It'sawasteoftime___________(persuade)himtojoinus.It’snouse_____________(wait)

here.Let’sgo.Itisworthwhile_____________(spend)moneyoneducation.Thereisnogood

_____________friendswiththedishonestmen.persuadingwaitingspendingmaking二.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。例句：1)Notknowinghowtouseacomputermakesitmoredifficultforhimtodohisacademicresearch.

不知道如何使用电脑使他更难进行学术研究。2)Nothavingdonehishomeworkmakestheteacherangry.

未完成他的作业让老师很生气。三.动词-ing形式的复合结构动词-ing形式的复合结构由物主代词或人称代词宾格，名词所有格或普通格加动词-ing,即“sb./sb.'s+doing”构成。动词-ing形式的复合结构实际上是给动词-ing形式加了一个逻辑主语。动词-ing形式的复合结构有四种形式：形容词性物主代词+动词-ing名词所有格+动词-ing代词宾格+动词-ing名词+动词-ing例句：1)Hercomingtohelpancouragedallofus.

她来帮忙鼓舞了我们所有人。2)Mary'sbeingill

madehermotherupset.

玛丽病了，这使她妈妈很心烦。3)WangMin'spassingtheexammadeherveryhappy．王敏通过这次考试使她很高兴。1.动词-ing形式通常表示抽象动作，往往是普通的、一般的行为；且表示已知的事情或经验。2.动词不定式作主语则表示某次具体动作或行为；且表示未完成的事情或未达成的目的。例句：1)Asachild,shefeltthat

visiting

sickpeoplewasadutyandapleasure．四.动词-ing形式与不定式做主语的比较还是个孩子的时侯,她就觉得探视病人是一种责任,也是一种愉悦。2)Hesaid,“Togoonlikethisisuseless.”他说:“继续这样下去是无用的。”3)Doingnothingisdoingevil．什么也不做就是作恶。4)It’sanhonorformetobeinvitedtotheparty.我很荣幸被邀请参加这个晚会。Fillineachblankusingthe-ingformofaverbfromtheboxandstateitsfunction.Onewordwillbeusedtwice.combine/cover/grow/take/limit/walk/experienceXixiNationalWetlandPark,_____________10squarekilometresinwesternHangzhou,isthefirstnationalwetlandparkinChina.____________citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,___________aboattour,___________alongpaths,and___________localcustomsandtraditionsofthevillagesinthisparkareatthetopof

thelistofpeople'sfavouriteactivities.Withtrees,bushes,andcolourfulflowers____________alongthecoveringCombiningtakingwalkingexperiencingattributesubjectsubjectsubjectsubjectgrowingattributePracticeriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.Inordertobetterdevelopaswellaspreservethis

place,

_________humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometomanybirdsandfishes.

Withtrees__________intheshallows,thewetlandisanaturalsystemforprovidingcleanwaterandproducingoxygen,whichmakesitthe“greenlungsofHangzhou".growinglimitingsubjectattributecombine/cover/grow/take/limit/walk/experienceTravellingtocold,dark,andremoteArcticNorwayinmid-winter（在隆冬季节去寒冷、黑暗而偏远的北极圈内的挪威旅游）canbe______________（激动人心的）especiallyforthose__________________________（寻求完全不一样的体验）._____________（意识到）thelackofdaylightanddifficultiesintransportisextremelyimportant.fascinatinglookingfortotallydifferentexperiencesRealisingPracticeTranslatetheChineseinbracketsintoEnglishtocompletethepassage(p.76)________________________________（在线订交通和宾馆）didhelpalot.__________________________（想出如何拍照）inlowlightactuallytookusquitesometimeduringour__________（筹划）stage.Finally_____________________（雇一位当地的导游）wasnecessaryandhelpfulforthistrip.BookingtransportationandhotelsonlineFiguringouthowtotakepicturesplanninghiringalocaltourguideLastJanuary,wefoundafewmountainpasseswereclosed,so__________________（走动）wasnoteasy,but_____________（欣赏）thenorthernlightswasanincredibleexperience.movingaroundappreciatingChooseaplaceinyourcityortownasadestinationforaschooltrip.Usethe-ingformstowriteaparagraph.Thefollowingexpressionsmayhelpyou:Takeatripto...Itcovers...ThenaturalbeautyAnunforgettableexperienceSharewithApplyWi