Unit3DiscoverUsefulStructures课件-高中英语人教版（2019）选择性必修第一册

人教版英语选择性必修第一册Unit3FascinatingParks

Period3Learningaboutlanguage动词-ing形式作主语1.Eventhoughthesunisbrightlyshining,_______(tell)whetheritismorningornightisimpossible.(教材P26)2._________(get)hereisquitedifficult,soapartfromtheSamiveryfewpeoplehaveeverseenSarek.(教材P26)tellingGettingFillintheblanksandidentifythefunctionofthe-ingform动词-ing形式作主语3.Forhundredsofyears,________(look)afterreindeerwasawayoflifefortheSami.(教材P26)4._______(be)insuchabeautifulandwildplacemakesmefeelblessedtobealive.(教材P27)BeinglookingCanyoufindmoresentenceswiththe-ingformfromthereadingpassageandstatetheirfunctions?动词-ing形式作主语动词-ing形式作主语1.Iwakeuptothesoundofthewindbuffetingtheclothofmytent.(attribute)2.Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornightisimpossible.(subject)3.Checkingmywatch,Iseethatitis7:30a.m.(adverbial)4.Spreadingoutbeforeme,branchesoftheRapaRiverflowthroughthevalleybelow.(adverbial)5.Gettinghereisquitedifficult,soapartfromtheSamiveryfewpeoplehaveeverseenSarek.(subject)6.Forhundredsofyears,lookingafterreindeerwasawayoflifefortheSami.(subject)动词-ing形式作主语7.Buteveryspring,asmallnumberofSamistillfollowtheirreindeerintothevalleysofSarek,livingintentsoroldcottagesandenjoyingtheirtraditions.(adverbials)8.Forexample,thismorningmybreakfastisflatbreadwarmedoverafire,driedreindeermeat,andsomesweetandsourberriesthatIfoundgrowingnearmytent.(complement)9.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.(subject)10.HereIam,aloneunderthisbroadsky,breathingthefreshair,andenjoyingthisgreatadventure.(adverbials)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’suseless/nouse/nogooddoingsthIt’snofundoingsthit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动词-ing形式作主语1.动词-ing形式作主语，表示一般或抽象的习惯性行为，谓语动词用单数。

egReadingaloudisveryimportantforustolearnaforeignlanguage.

Goingtobedearlyandgettingupearlyisconsideredtobeagoodhabit.2.有时为了句子平衡，避免头重脚轻,用it作形式主语，而把真正的主语(动词-ing短语)后置。常见的固定句型有：动词-ing形式作主语It+be+awasteoftimedoing…做……是浪费时间的Itis/wasnogood/use/fundoing…做……是没益/用处/意思的Itis/wasuseless/worthwhiledoing…做……是没用/值得的2.有时为了句子平衡，避免头重脚轻,用it作形式主语，而把真正的主语(动词-ing短语)后置。常见的固定句型有：Itisnouse/nogoodcryingoverspiltmilk.Itisawasteoftimepersuadingsuchapersontojoinus.1Itisbothchallengingandrewardingtostudyabroad.2ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.Studyingabroadisbothchallengingandrewarding.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.3Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.Rewritethesentencesusingthe-ingformasthesubject动词-ing形式作主语4Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.5Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.动词-ing形式作主语3.动词-ing的复合结构作主语时，通常有两种形式：(1)形容词性物主代词+动词-ing(2)名词所有格+动词-ingHisbeinglateagainmadehisteacherveryangry.他再次迟到让老师很生气。Mike’sreturningtoworkisagreathelptohisfamily.麦克回来工作对他全家来说都是一大帮助。动词-ing形式作主语4.动词-ing与动词不定式作主语的区别：动词-ing作主语，常常表示抽象的习惯性或经常性的动作。而不定式一般表示一次性、具体性的行为。Deliveringnewspapersishisjob.送报纸是他的工作。Todelivernewspapersishisjobtoday.送报纸是他今天的工作。5.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.beingpunishedHavingbeenbittenI完成句子

XixiNationalWetlandPark,_________(cover)10km2inwesternHangzhou,isthefirstnationalwetlandparkinChina.__________(combine)citylife,natureandwetlandmakestheparkapopulardestinationbothforforeignvisitorsandlocalresidents.AtXixi,_______(take)aboatride,______(walk)alongpath,and___________(experience)localcustomesandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople'sfavourateactivities.Withtrees,bushes,andcolourfulflowers________(grow)alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.covering

Combing

takingwalking

experiencinggrowingII语法填空Inordertobetterdevelopandpreservetheplace,_______(limit)humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometobirdsandfishes.Withtrees________(grow)intheshallows,thewetlandisalandsystemforprovidi