Unit3FascinatingParksDiscoverusefulstructures课件高中英语人教版选择性

V-ingformObservingthesentences.2.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.1.Gettinghereisquitedifficult.subjectinthe-ingform+verbattribute（定语）▷Iwakeuptothesoundofthewindbuffetingtheclothofmytent.▷Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornightisimpossible.▷Checkingmywatch,Iseethatitis7:30a.m.▷Spreadingoutbeforeme,branchesofRapaRiverflowthroughthevalleybelow.▷Around9,000yearsago,thisicemelted,leavingbehindabout100glaciers.

subject（主语）adverbial（状语）adverbial（状语）adverbial（状语）Findmoresentenceswiththe-ingformfromthereadingpassageandstatetheirfunctions.▷Closeby,thereareafewreindeerfeedingongrass.▷Gettinghereisquitedifficult,soapartfromtheSamiveryfewpoeplehaveeverseenSarek.

▷Forhundredsofyears,lookingafterreindeerwasawayoflifefortheSami.subject（主语）subject（主语）Findmoresentenceswiththe-ingformfromthereadingpassageandstatetheirfunctions.attribute（定语）▷Buteveryspring,asmallnumberofSamistillfollowtheirreindeerintothevalleysofSarek,livingintentsoroldcottagesandenjoyingtheirtraditions.adverbials（状语）▷Forexample,thismorningmybreakfastisflatbreadwarmedoverafire,driedreindeermeat,andsomesweetandsourberriesthatIfoundgrowingnearmytent.▷Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.

▷HereIam,aloneunderthisbroadsky,breathingthefreshair,andenjoyingthisgreatadventure.subject（主语）adverbials（状语）Findmoresentenceswiththe-ingformfromthereadingpassageandstatetheirfunctions.功能句子作定语▷Iwakeuptothesoundofthewindbuffetingtheclothofmytent.▷Closeby,thereareafewreindeerfeedingongrass.作主语▷Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornightisimpossible.▷Gettinghereisquitedifficult,soapartfromtheSamiveryfewpoeplehaveeverseenSarek.▷Forhundredsofyears,lookingafterreindeerwasawayoflifefortheSami.▷Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.功能句子作状语▷Checkingmywatch,Iseethatitis7:30a.m.▷Spreadingoutbeforeme,branchesofRapaRiverflowthroughthevalleybelow.▷Around9,000yearsago,thisicemelted,leavingbehindabout100glaciers.

▷Buteveryspring,asmallnumberofSamistillfollowtheirreindeerintothevalleysofSarek,livingintentsoroldcottagesandenjoyingtheirtraditions.▷HereIam,aloneunderthisbroadsky,breathingthefreshair,andenjoyingthisgreatadventure.作宾补▷Forexample,thismorningmybreakfastisflatbreadwarmedoverafire,driedreindeermeat,andsomesweetandsourberriesthatIfoundgrowingnearmytent.the-ingformasthesubjectV-ing形式做主语，相当于一个名词，多指抽象、概念性的动作，经常性或习惯性的行为。Askingawoman’sageisimpoliteinourcountry.LookingafterareindeerwasawayoflifefortheSami.ing形式作主语，通常直接位于句首。谓语动词用单数形式。the-ingformasthesubject意义不同的两个动词-ing形式并列作主语时，谓语动词需用复数形式。ListeningtotheEnglishtapesandwatchingEnglishfilms

aregoodwaystolearnEnglish.听英文磁带和看英文电影是学英语的好方法。两个动词-ing形式并列作主语但表示一个整体概念时，谓语动词需用单数形式。Gettingupearlyandgoingbedearly

isgoodforyourhealth.早起早睡对你的健康有好处。Describethepicture

_______eachotherisagreatfunforthereindeerintheSarekNationalPark._______thepandaisahugehappinessforthevisitors._______theincrediblesceneryofSanjiangyuanNationalParkmakesusexcitedandattracted.ChasingFeedingViewing形式主动语态被动语态一般时完成时doingbeingdonehavingdonehavingbeendone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应放在逻辑主语和动词-ing形式之间。不知道如何使用电脑使他更难进行学术研究。Nothavingdonehishomeworkmakestheteacherangry.未完成他的作业让老师很生气。ItischallengingyetreallyfascinatingtohikethroughthemountainsinthepathlessSarek.→ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.→Itisbothchallengingandrewardingtostudyabroad.→Rewritesentencesusingthe-ingformasthesubject.HikingthroughthemountainsinthepathlessSarekischallengingyetreallyfascinating.Studyingabroadisbothchallengingandrewarding.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.→Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.→Rewritesentencesusingthe-ingformasthesubject.Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.→Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Howdoesthesentencefocuschange?Theuseof-ingformsasthesubjectsputstheactionfirst,makingthesentencesseemmoredynamic.用it作形式主语前置时，句子侧重于表语部分，强调行为的特征、状态或给人的感受。动词-ing形式作主语前置时，句子侧重于主语部分，强调行为本身的具体内容。Theuseofitasthesubjectfocusonthecharacteristicsorthestateofaction,orthefeelingsitleavesonpeople.it

-ingformsit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。1）Itis+adj.+doingsth.Itis/feelsfunnydoingsth.

做某事（感觉）很有趣Itisuselessdoingsth.

做某事无用Itisworthwhiledoingsth.

做某事是值得的2）Itisawasteof+n.+doingsth.Itisawasteoftimedoingsth.做某事是浪费时间的3）Itisno+n.+doingsth.Itisnogood/nouse/nofundoingsth.

做某事没好处/没用/没意思Practice

It’sawasteoftime(try)topersuadesuchaperson.②Itisnouse(write)tohim;heneveranswersletters.③Itisawasteoftime(cry)overthespiltmilk.④Itisnogood(recite)thetextwithoutunderstandingit.⑤Itisworthwhile(protect)thewoodsinthearea.tryingwritingcryingrecitingprotecting“Thereis+no”后可用-ing形式作主语，表示_____01020304Thereisnoknowingwhathecoulddo.Therewasnotellingwhenthismighthappenagain.Heisnice,andthere'snodenyingit.Therewasnoarguingwithher.没法...动词-ing复合结构做主语0102Mysisterwasill,whichmadeusworried.Kate’sopeningthewindowmadeherhappy.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。Hisreturninghomewasagreatsurprise.