Unit3FascinatingParksDiscoveringUsefulStructures課件-高中英語人教版選擇性

GRAMMARB4U3LeadinLovinghimislikedrivinganewMaseratidownadeadendstreetFasterthanthewind,passionateassin,endingsosuddenlyLovinghimisliketryingtochangeyourmindonceyou'realreadyflyingthroughthefreefallLikethecolorsinautumn,sobright,justbeforetheyloseitallLosinghimwasblue,likeI'veneverknownMissinghimwasdarkgrey,allaloneForgettinghimwasliketryingtoknowsomebodyyounevermetButlovinghimwasredthe-ingformassubjectLookingafterreindeerwasthetraditionalwayfortheSami.

Livingwithinparkboundariesisprohibited.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.Livinginharmonywithnaturemakeshumanlivesontheearthmuchmorebeautifulandwonderful.PleasecirclethesubjectofeachsentencePleasecircletheverbofeachsentenceMoresentencesusingthe-ingformasthesubjectBeingprotectedcarefullymakesthenationalparkattractnumeroustouristseveryyear.Being

insuchabeautifulandwildplacemakesmefeelblessedtobealive.Tellingwhetheritismorningornightisimpossible.

Getting

hereisquitedifficult.

-ing形式作主語，通常直接__________。謂語動(dòng)詞用________形式。動(dòng)詞-ing主語表示________________, 被動(dòng)形式為_______________。置于句首單數(shù)習(xí)慣性或經(jīng)常性的動(dòng)作beingdoneDescribethepictureusingthe-ingformasthesubject__________eachotheris

agreatfunforthereindeerintheSarekNationalPark.__________thepandaisahugehappinessforthevisitors.ChasingFeedingchasefeed__________intheGrandPrismaticSpringisadangerousthingtodo.Swimmingswimview__________theincrediblesceneryofSanjiangyuanNationalParkmakesusexcitedandattracted.ViewingDescribethepictureusingthe-ingformasthesubjectChasingeachotherisagreatfunforthereindeerintheSarekNationalPark.Feedingthepandaisahugehappinessforthevisitors.SwimmingintheGrandPrismaticSpringisadangerousthingtodo.Rewritethesentencesusingitasthesubject.ItisagreatfunforthereindeerintheSarekNationalParktochaseeachother.Itisahugehappinessforthevisitorstofeedthepanda.ItisadangerousthingtodotoswimintheGrandPrismaticSpring.FocusTheuseof-ingformassubjectputstheactionfirst,makingthesentencesseemmoredynamic.側(cè)重于主語部分，強(qiáng)調(diào)行為本身的具體內(nèi)容Theuseofitassubjectfocusonthecharacteristicsorthestateoftheaction,orthefeelingsitleavesonpeople.側(cè)重強(qiáng)調(diào)行為的特征、狀態(tài)或給人的感受VSInthenationalpark,itisnouselittering.Throwingtrasharoundnotonlyspoilsthebeautyofnaturebutalsoharmsthewildlife.Itisnofunwalkingaloneinthenationalparkwithouttakinginthemagnificentviewsandsharingtheexperiencewithothers.Itisnogoodmakingloudnoisesinthenationalparkasitdisturbsthepeacefulatmosphereandscaresawaytheanimals.Itisawasteoftimegoingtothenationalparkandjustsittingidlywithoutexploringandlearningaboutthediversefloraandfauna.However,itisworthtakingahikeinthenationalpark.Youcanbreatheinthefreshair,enjoythestunninglandscapesandgetclosetonature.Itisalsoworthwhiletogo/goingonaguidedtourinthenationalpark.Youcangainvaluableknowledgeabouttheecosystem.itisnouselittering.ItisnofunwalkingaloneinthenationalparkItisnogoodmakingloudnoisesinthenationalparkItisawasteoftimegoingtothenationalparkitisworthtakingahikeinthenationalparkItisalsoworthwhiletogo/goingonaguidedtourinthenationalpark.找出用it作主語的句子it作形式主語,必須用動(dòng)名詞短語作真正主語的句式:Itisnouse/uselessdoingsth.做某事沒有用的。Itisnofun/pleasuredoingsth.做某事是無趣的.Itisnogooddoingsth.做某事沒有好處的。Itisawasteoftimedoingsth.做某事是浪費(fèi)時(shí)間的。Itisworthdoingsth.做某事是有價(jià)值的。Itisworthwhiledoing/todosth.做某事是有價(jià)值的。動(dòng)詞-ing形式和todo做主語時(shí)的區(qū)別Protectingnationalparks

representsa

long-term

commitment.保護(hù)國(guó)家公園代表著一種長(zhǎng)期的承諾。Toestablishanewnationalparkthisyearisa

significantdecision.今年建立一個(gè)新的國(guó)家公園

是一個(gè)重大的決定。動(dòng)詞-ing形式做主語表示比較抽象的一般性行為,todo做主語往往表示具體的或一次性的動(dòng)作。練習(xí)(1)Inthenationalpark,(be)_________carelesswithfireisextremelydangerous.(2)Itisnouse___________(complain)aboutthelongwalkonceweareinthenationalpark.(3)_________

(visit)

thenationalparkinspringisawonderfulexperience.(4)Itisnogood_________(litter)inthenationalpark.Weshouldkeepitclean.(5)Itisawasteoftime_________(argue)aboutwhichroutetotakeinthenationalpark.(6)_________(explore)differentareasofthenationalparkisworththeeffort.(7)Itisnofun_________(get)lostinthenationalpark,somakesuretofollowthesigns.(8)Thebeautyofthenationalparkmakesitworthwhile(spend)_________afewdaysthere.(9)Itisnoplea