Unit3FascinatingParksVing形式作主語課件高中英語人教版選擇性

Unit3FASCINATINGPARKSGrammar——theV–ingusedassubjectLeadingin1.V-ing形式（短語）作主語的功能(1)動詞-ing形式作主語時，表示經(jīng)常性、習(xí)慣性或抽象的動作。

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Lookingafterchildrenisherwork.她的工作是照顧孩子。(2)todo形式作主語表示具體的、一次性的或?qū)淼膭幼鳌?/p>

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Tolookafterchildrenisherjobtoday.她今天的工作是看孩子。即時訓(xùn)練：1.

（obtain）goodgradesishisbiggestdream.

2.

(swim)doesgoodtoourhealth.ToobtainSwimming2.V-ing形式（短語）

作主語的主謂一致(1)單個的動詞-ing形式作主語時，謂語動詞用單數(shù)形式?！?/p>

Takingappropriateexerciseregularlyisnecessaryforgoodhealth.定期適當(dāng)鍛煉對健康是必要的。(2)意義不同的兩個及以上V-ing形式并列作主語時，謂語動詞用復(fù)數(shù)形式?！?/p>

Goingtobedearlyandgettingupearly

isagoodhabit.早睡早起是一個好習(xí)慣?！?/p>

ListeningtotheEnglishtapesandwatchingEnglishfilms

aregoodwaystolearnEnglish.聽英文磁帶和看英文電影是學(xué)英語的好方法。即時訓(xùn)練:(1)Readinginbed

(be)notgoodforyoureyes.(2)Readingandwriting

(be)necessaryforus.isare(1)Itis＋adj.＋doingsth.Itisfunny/useless/worthwhiledoingsth.

做某事是有趣的/無用的/值得的。(2)Itis＋n.＋doingsth.It'sawasteoftimedoingsth.

做某事是浪費(fèi)時間。(3)Itisno＋n.＋doingsth.It'snogood/nouse/nofundoingsth.

做某事不好/沒用/沒意思。即時訓(xùn)練：1.It'sawasteoftime

(try)topersuadesuchastubbornperson.2.Itisnouse

(write)tohimbecauseheneveranswersletters.3.it代替V-ing形式（短語）形式作形式主語writingtrying4.Therebe句型中V-ing形式（短語）作主語當(dāng)句型“Thereisno...”表示“不允許、禁止某種行為的發(fā)生或存在”時，需用V-ing形式作主語。◆Thereisnodenyingthattheenvironmenthasimprovedalot.不能否認(rèn)環(huán)境狀況已經(jīng)得到很大改善?！鬞hereisnotelling

whatheisgoingtodo.不能說出他要做什么。即時訓(xùn)練--完成句子(1)Thereisno

(joke)withhimaboutsuchaseriousissue.joking5.V-ing形式（短語）作主語的否定形式動詞-ing形式的否定形式通常是在其前加not，帶有邏輯主語時，not應(yīng)放在邏輯主語和動詞-ing形式之間。◆Notknowinghowtouseacomputermakesitmoredifficultforhimtodohisacademicresearch.不知道如何使用電腦使他更難進(jìn)行學(xué)術(shù)研究。即時訓(xùn)練--完成句子(1)

(未能通過考試)makeshimdepressed.Notpassingtheexam6.V-ing的復(fù)合結(jié)構(gòu)作主語

V-ing形式的復(fù)合結(jié)構(gòu)由形容詞性物主代詞或人稱代詞賓格、名詞或名詞所有格加動詞-ing，即“sb./sb.'s＋doing”構(gòu)成。動詞-ing形式的復(fù)合結(jié)構(gòu)實(shí)際上是給動詞-ing形式加了一個邏輯主語。動詞-ing形式的復(fù)合結(jié)構(gòu)有四種形式：1．形容詞性物主代詞＋動詞-ing2．人稱代詞賓格＋動詞-ing3．名詞＋動詞-ing4．名詞所有格＋動詞-ing特別關(guān)注：動詞-ing的復(fù)合結(jié)構(gòu)作主語時，只有兩種：1&4◆Hercomingtohelpencouragedallofus.她來幫忙鼓舞了我們所有人。◆Mary's(不可用Mary)beingillmadehermotherupset.瑪麗病了，這使她母親很難過。翻譯：(1)他的離開使他的朋友非常生氣。

madehisfriendveryangry.Hisleaving7.V-ing的時態(tài)語態(tài)時態(tài)語態(tài)主動語態(tài)被動語態(tài)一般時doingbeingdone完成時havingdonehavingbeendone◆Sometimesbeingpunished

maybeagoodthing.

有時被懲罰可能是一件好事?！鬑avingbeengiven

atoycarasagiftmadetheboylaugh.那男孩收到一輛玩具汽車作為禮物后笑了。(1)________________(trap)inaheavytrafficjamisquiteanunpleasantexperience.(2)

(bite)bymydogmadeLindarefusetoplaywithmeagain.BeingtrappedHavingbeenbitten1.(2021·全國乙卷)Firstly，_______(do)houseworkishelpfulforustobearesponsibleperson.2.(2024全國I卷)Thelatest________

(engineer)techniquesareappliedtocreatethisprotectivefunctionalstructure.3.(2024全國I改編)Whenreadingtextsofseveralhundredswordsormore,

(learn)isgenerallymoresuccessfulwhenitisonpaperthanonscreen.4.(2023全國I改編)

(cycle)isthemosteconomical,sustainableandfunwaytoexplorethecity.

5.(2023全國I卷）NomatterwhereIbuythem,onesteamerisrarelyenough,yettwoseemsgreedy,soIamalwaysleft

________(want)morenexttime.Consolidation[品味高考]engineeringdoinglearningCyclingwantingV-ing作主語1.功能2.主謂一致3.it代替v-ing作主語句型4.Therebe句型Summary:Mind-mapDrawamindmaptoconcludetheuseofV-ingformasthesubject7.V-ing時態(tài)語態(tài)6.V-ing復(fù)合結(jié)構(gòu)作主語5.V-ing否定形式V-ing賓語定語Ilikeclimbing.表語主語Myhobbyisplayingbasketball.Thereisawaitingroom.狀語Playingbasketballismyhobby.Isawhimreadingintheclassroom.補(bǔ)語Seeingfromthetop,hefoundt