【課件】Unit+2Discovering+Useful+Structures+課件人教版（2019）必修第三冊

Unit2Period3DiscoveringUsefulStructures新課導(dǎo)入觀察下列句子并說出動詞-ing形式在句子中所充當(dāng)?shù)某煞帧?.Workinghardatyourlessons,youwillsucceed.

2.Theykeptuswaitingthemovertwohoursyesterday.adverbial(狀語)objectcomplement(賓語補足語)1）能理解動詞-ing形式作狀語和賓語補足語的功能及意義。2）能正確運用動詞-ing形式描述人物的行為、動作、生活經(jīng)歷等。課堂學(xué)習(xí)Readthesentencesbelowanddiscussthefunctionandmeaningofeach-ingform.1....herbrothercomplained,thinkingofthehightuitionfees.2.Thinkingofallthepeoplestillinneedofhelp,DrLinopenedaprivateclinic.3.ThenewPeople'sRepublicofChinasawDrLinQiaozhiplayingakeyrole.The-ingformastheadverbial.The-ingformastheadverbial.The-ingformastheobjectcomplement.Findmoreexamplesfromtheunitwhichcontainthe-ingformoftheverbandareusedasanobjectcomplementoradverbial.1.Toapersonnothingismorepreciousthantheirlife,andiftheyentrustmewiththatlife,howcouldIrefusethattrust,sayingI’mcold,hungry,ortired?2.Attimesshewasevenseenridingadonkeytofarawayvillagestoprovidemedicalcare.…3.ThoughLinQiaozhinevermarried,shewasknownasthe"motheroftenthousandbabies",havingdeliveredover50,000babiesinherlifetime.adverbialobjectcomplementadverbial現(xiàn)在分詞作賓語補足語和狀語一、現(xiàn)在分詞作賓語補足語現(xiàn)在分詞作賓補，表示賓語與作賓補的動詞之間是主動關(guān)系。1.動詞的賓語補足語①位于感官動詞后：如see,hear，feel，smell，watch，find，listento,lookat,notice,observe等。Shefeltangerarisinginherheart.她感到心中涌起股怒氣。Heobservedastrangerhangingaroundthestore.他看到一個陌生人在商店附近閑逛。Grammar②位于其他動詞后：如set，keep，have，get，leave，catch等。Hisquestionhassetmethinking.他的問題引起我深思。Shekeptmewaitingforovertwentyminutes.她讓我等了20多分鐘。【注意】現(xiàn)在分詞作賓補，表示動作正在進行；動詞原形作賓補，則表示動作的全過程。試比較：Isawhimgettingoutofthecar.

我看見他正下車。Isawhimgetoutofthecar.

我看見他下車了。2.with復(fù)合結(jié)構(gòu)

在with復(fù)合結(jié)構(gòu)中，如果賓語發(fā)出動作，且表示動作持續(xù)或進行，則用現(xiàn)在分詞作賓補。Iwon’tbeabletogoonholidaywithmymotherbeingill.因為媽媽生病，我無法去度假。 【注意】在with復(fù)合結(jié)構(gòu)中，動詞不定式作賓補雖然也表示賓語發(fā)出動作，但是表示動作將要發(fā)生。Withsomanypeopletohelpus,wearesuretofinishitintime.有這么多人幫忙，我們一定能及時完成。 二、現(xiàn)在分詞作狀語動詞-ing形式作狀語可以修飾謂語動詞或整個句子,表示時間、原因、結(jié)果、條件、讓步、行為方式、伴隨情況或補充說明等。1.

表示時間動詞-ing形式作時間狀語,相當(dāng)于一個時間狀語從句。Speakingofallthebooksshehaswritten,

Ithinkthisisprobablythebest-knownone.

(=WhenIspeakof...)談到她所寫的所有書,我認(rèn)為這可能是最出名的一個。Whileseeingtheperformance,

shenoddedfromtimetotime.

(=Whileshewasseeingtheperformance...)她觀看表演的時候不停地點頭。2.表示原因

表示原因的動詞-ing形式一般置于句首,相當(dāng)于一個原因狀語從句。Beingbusy,

hedidn’tgototheconcertyesterday.(=Becausehewasbusy...)他很忙,昨天沒去聽音樂會。HavinglivedinJinanforyears,

Ialmostknoweveryplacequitewell.(=BecauseIhavelived...)在濟南住過多年,我?guī)缀鯇γ總€地方都很熟悉。Notrealizingthathewasingreatdanger,

Ericwalkeddeeperintotheforest.(=Sincehedidnotrealizethat...)由于沒有意識到身處險境,埃里克一步步向森林深處走去。3.

表示結(jié)果動詞-ing形式作狀語表示結(jié)果,可擴展為一個含有并列謂語的簡單句。Thefirelastednearlyamonth,

leavingnothingvaluable.(=...andleftnothingvaluable)大火持續(xù)了近一個月,幾乎沒剩下什么有價值的東西。Chinahasapopulationof1.3billion,

makingitthelargestcountryintheworldbypopulation.

(=...andmakesit...)中國有13億人口,這使得她成了世界上人口最多的國家。4.

表示條件動詞-ing形式作條件狀語,相當(dāng)于一個條件狀語從句。Openingthewindow,youwillseethegardenbelow.(=Ifyouopenthewindow)打開窗戶,你就能看見下面的花園。5.

表示讓步動詞-ing形式作讓步狀語,相當(dāng)于一個讓步狀語從句。Admittingwhatyousay,

Istillthinkyouarewrong.(=ThoughIadmitwhatyousay...)雖然承認(rèn)你所說的話,但我仍然認(rèn)為你錯了。6.表示行為方式、伴隨情況或補充說明動詞-ing形式表示行為方式、伴隨情況或補充說明,常置于句末,可以擴展成一個并列成分。Hewaswalkingalongthestreet,

lookingthiswayandthat.他左顧右盼地在街上走著。(=andlookedthiswayandthat)Somegirlssattherelaughingandchatting.

幾個女孩在那邊坐著,又說又笑。Hewasbusywritingastory,

onlystoppingonceinawhiletosmokeacigarette.他正忙于寫故事,只是偶爾停下來抽根煙。7.修飾形容詞有少數(shù)動詞-ing形式常放在某些形容詞前面,起副詞的作用,意思是“極”或“非常”,表示其程度或狀態(tài)。Itwasfreezing/bitingcoldthatday.那天天氣很冷。Theweatherhasbeenburning/steaminghotthisweek.這周的天氣極熱。8.動詞-ing形式作插入語動詞-ing形式可在句中作獨立成分,表明說話人的態(tài)度。Properlyspeaking,

awhaleisnotafish.準(zhǔn)確地說,鯨并非魚類。Generallyspeaking,

Chinesepreferteatocoffee.一般說來,中國人愛喝茶而不愛喝咖啡。Judgingfromthisfact,

hemustbeanhonestman.從這一事實判斷,他必是一個誠實的人。Completethesentenceswiththecorrectformsoftheverbsinthebox.feelwantfacesmile returnworryhearkock1.________thathiswifehadbeeninjuredinanaccident,Mr.Johnsonhurriedtothehospital.2.Duringtheoperation,shesatinthewaitingroomforoveranhour________abouthim.3.Isawherwhisperingsomethingintohisear,obviouslynot_______tobeheard.4.Hesuddenlywokeupatmidnightwhenheheardsomeone________athisdoor.Hearingworryingwantingknocking5. _______higherimportandexportcosts,thecompanyislookingforwaystosurvive.6. _________fromtheNorthPole,thetravelerwroteabookabouthisexperienceandhaditpublishedthefollowingyear.7. Thechildlayonhermother'slap,_______sweetly.8. _______hurtbytherejection,shebitherlipandquietlywalkedaway.FacingReturningsmilingFeelingfeelwantfacesmile returnworryhearkockReadthefollowingstoryandrewritetheunderlinedpartsusingthe-ingform.HenryNormanBethunewasaCanadiandoctorwithaverycreativemindandadeterminationtohelppeople.Asasmallboy,hebecameveryinterestedinmedicineanddecidedtobecomeadoctor.Afterhegraduatedfrommedicalcollegein1916,BethuneworkedasadoctorinEngland,theUS,andCanada.Hereinventedorredesignedover10medicalinstrumentstomakethemmoreuseful.In1938,BethuneleftforChina,afterheheardthatmanypeopleweredyinginthewar.

,decidingtobecomeadoctorafterhearingthatmanypeopleweredyinginthewarDespitethedifficultsituation,DrBethunedidwhateverhecouldtoassisttheChinesepeople.Hehelpedtoorganisehospitals,taughtdoctorsandnurses,andshowedpeoplehowtogivefirstaid.

Sadly.DrBethunepassedawayinNovemberthefollowingyearandwasburiedinShijiazhuang.AfterDrBethune’sdeath,ChairmanMaoZedongwroteanarticleinmemoryofhim,inwhichhepraisedDrBethuneasaherotoberememberedinChina.Helpingtoorganisehospitals,hetaughtdoctorsandnurses,andshowedpeoplehowtogivefirstaid.ORHehelpedtoorganisehospitals,teachingdoctorsandnurses,andshowingpeoplehowtogivefirstaid.praisingDrBethuneasaherotoberememberedinChina.Keypoints1.operation

n.手術(shù)；企業(yè)；經(jīng)營Eg.Thedoctorbentovertoperformanoperationonthepatient.醫(yī)生俯身給病人做手術(shù)。Manyprivategalleriesareinoperation,withmanymoreopeningeachyear.很多私人畫廊在經(jīng)營，每年也會有很多新的畫廊開業(yè)?！練w納拓展】①performanoperation(onsb.)（給某人）做手術(shù)inoperation工作中；有效putsth.intooperation實施②arescueoperation營救行動safeoperation安全操作③

operatevi.運轉(zhuǎn)；動手術(shù)vt.操作 operateon...給……做手術(shù)operatorn.操作員，經(jīng)營者 operatingadj.操作的，外科手術(shù)的[即學(xué)即練]

單句語法填空1.Thenursetendedtheboysocarefullythatherecoveredfromhisheart__________(operate)soon.2.Theoperation__________theoldmanwillbecarriedoutonschedule.3.Thenewruleswillbe__________operationsoon.operationonin2.whisper

vi.&vt.悄聲說；耳語；低語

n.耳語（聲）；低語（聲）；傳言；謠傳Eg.Sheiswhisperingastorytoherdaughter.

她低聲地給女兒講著故事。

Janewhisperedthesecretinmyear.

簡把秘密悄悄地告訴了我。

Itiswhisperedthatheisheavilyindebt.據(jù)傳聞他負(fù)債累累。

Theyweretalkinginwhispers.他們在悄悄地談話。【歸納拓展】whispersth.tosb.

把某事悄悄告訴某人Itiswhisperedthat...

有人私下說……whispersth.inone’sear

在某人耳旁小聲說某事

inawhisper/inwhispers

低聲地[即學(xué)即練]

單句語法填空1.Intheweddingceremony，Jackwhispered__________hersothatnooneelsewouldhear.2.It____________(whisper)thatheshouldn’tserveasanexperimentvolunteeralthoughheiseagertolearnscience.3.Thebabyissleeping.You’dbetterspeak__________awhisper.toiswhisperedin【句式分析】本句中的haditpublished是havesth.done結(jié)構(gòu)，表示“讓某事被做”，過去分詞作賓補，賓語和動詞之間是被動關(guān)系。havesth.done:讓某事被做（可能是主語自己做，也可能是讓別人做）；遭遇/經(jīng)歷某種不幸的事e.g.Thepatientisgoingtohavehistemperaturetaken.

這個病人要量體溫。

Hehadhisrightleginjuredduringthetraining.

他在訓(xùn)練中把右腿弄傷了?！窘滩脑洹?..thetravellerwroteabookabouthisexperienceandhaditpublishedthefollowingyear.……這名旅行者寫了一本關(guān)于他的經(jīng)歷的書，并在第二年出版?！練w納拓展】havesth.done=getsth.done使某事被做havesb.dosth.=makesb.dosth.讓某人做某事havesth.todo有某事要做（動詞不定式作后置定語）havesb.doingsth.容忍某人做某事（用于否定句中,多放于won’t,can’t后）[即學(xué)即練]

單句語法填空1.Beforedrivingintothecity,youarerequiredtohaveyourcar________(wash).2.Thewaitresshadthewater________(run)evenwhenshedidn’tuseit.3.Whenpassingbythehouse,hehadhisleg________(bite)byabigdog.washedrunningbitten【歸納拓展】①whatever可以引導(dǎo)名詞性從句，即賓語從句、表語從句、主語從句和同位語從