人教版（2019）選擇性必修第一冊Unit3 Fascinating parks Discovering Useful Structures 語法課件

LearningAboutLanguageDisvoverusefulstructures1.Haveyoueverseenthesesigns?Theyareusedinthe

V–ingform.Leading-in1.Iwakeuptothesoundofthewindbuffetingtheclothofmytent.

(P1)2.Eventhoughthesunisbrightlyshining,tellingwhetheritismorningornightisimpossible.

(P1)3.Checkingmywatch,Iseethatitis7:30a.m.(P1)4....andsomesweetandsourberriesthatIfoundgrowingnearmytent.(P3)5.Beinginsuchabeautifulandwildplacemakesmefeelblessedtobealive.(P4)6.HereIam,aloneunderthisbroadsky,breathingthefreshair,andenjoyingthisgreatadventure.

(P4)2.FindouttheV-ingformsandtellthefunctions.(attribute)(subject)(adverbial)(objectcomplement)(subject)(adverbial)3.SummaryforthefunctionsofV-ingformV-ingform動(dòng)名詞現(xiàn)在分詞主語賓語表語定語定語表語狀語賓補(bǔ)Playingwithfireisdangerous.Jimlikesjumpinginmuddypuddles.Herideaisbuildingupanewcompany.Peoplelivingtherearequitefriendly.Hereallyneedsawashingmachine.Theperformancewasreallyamazing.Laughingandtalking,theywentin.Ilovetowatchherperformingonthestage.Presentation1.DifferentformsofV-ingform.

形式主動(dòng)語態(tài)被動(dòng)語態(tài)一般式完成式否定式doingbeingdonehavingdonehavingbeendonenot+not+2.V-ingformusedassubjectindifferentsituations.(1)動(dòng)詞-ing形式作主語時(shí)，往往表示經(jīng)常性、習(xí)慣性的動(dòng)作或狀態(tài)，通常置于句首。動(dòng)詞-ing有時(shí)態(tài)和語態(tài)的變化，單個(gè)的動(dòng)詞-ing做主語謂語動(dòng)詞用單數(shù)。兩個(gè)或兩個(gè)以上的動(dòng)詞-ing短語作主語時(shí)，如果表示一件事，謂語動(dòng)詞用單數(shù)；如果表示兩件或多件事情，謂語動(dòng)詞用復(fù)數(shù)。Helpingothersmeanshelpingourselves.幫助別人意味著幫助我們自己。Goingtobedearlyandgettingupearlyisgoodforourhealth.早睡早起對健康有益。DrawingandplayingfootballarewhatItookinterestinasateenager.畫畫和踢足球是我少年時(shí)的興趣愛好。（2）有時(shí)可用it作形式主語前置，真正的主語是動(dòng)詞-ing形式。但這種句子形式有一定的限制，作表語的只能是某些形容詞或少數(shù)名詞。Itisnousewaitingforotherpeopletomakedecisionsforyou.等別人替你做決定是沒有用的。It

isawasteoftimepersuadingsuchapersontojoinus.勸說這種人加入我們是浪費(fèi)時(shí)間。It+be+awasteoftimedoing做…是浪費(fèi)時(shí)間的Itis/wasnogood/usedoing做…是沒用處的Itisnopleasuredoingsth.做…沒有樂趣Itis/wasfundoing做…是有趣的Itis/wasworthwhiledoing做…是值得的Itis/wasuselessdoing做….是沒用的2.有時(shí)為了句子平衡，避免頭重腳輕,用it作形式主語，而把真正的主語(動(dòng)詞-ing短語)后置。常見的固定句型有：(3)在“therebeno...”結(jié)構(gòu)中,表示“不允許、禁止某種行為的發(fā)生或存在”時(shí)，需要用動(dòng)詞-ing形式作主語，常譯為“無法……;不允許……”。Thereisnojokingaboutsuchmatters.

這種事開不得玩笑。Thereisnosayingwhenitwillstopraining.無法斷定這場雨什么時(shí)候會(huì)停。①Thereis/wasnopoint(意義)doing干…無意義②Thereisnosenseindoing做…沒有道理③Thereis/wasnousedoing干…無意義④Thereis/wasnothingworsethandoing沒有比…更糟的⑤Thereisnodoing...無法……;不允許……（4）動(dòng)詞-ing的復(fù)合結(jié)構(gòu)作主語時(shí)，通常有兩種形式：

①形容詞性物主代詞+動(dòng)詞-ing②名詞所有格+動(dòng)詞-ingHisbeinglateagain

madehisteacherveryangry.他再次遲到讓老師很生氣。

Mike’sreturningtowork

isagreathelptohisfamily.麥克回來工作對他全家來說都是一大幫助。Theircomingtohelpwasagreatencouragementtous.他們前來幫忙對我們來說是極大的鼓舞。（5）動(dòng)詞-ing形式的一般式、完成式、被動(dòng)式與否定式：①一般式所表示的動(dòng)作或狀態(tài)，與謂語動(dòng)詞所表示的動(dòng)作或狀態(tài)同時(shí)發(fā)生，或發(fā)生在謂語動(dòng)詞之后。②被動(dòng)式表示該動(dòng)詞與句子的主語之間構(gòu)成被動(dòng)關(guān)系。③完成式所表示的動(dòng)作發(fā)生在謂語動(dòng)詞所表示的動(dòng)作之前。④否定形式通常是在其前加not。Notknowinghowtouseacomputermakesitmoredifficultforhimtodohisacademicresearch.不知道如何使用電腦使他更難進(jìn)行學(xué)術(shù)研究。Sometimesbeingpunishedmaybeagoodthing。

有時(shí)候被懲罰是一件好事。HavingbeenbittenbymydogmadeLindareufsetoplaywithmeagain.琳達(dá)已經(jīng)被我的狗咬了，所以她拒絕再和我玩。Nothavingdonehishomeworkmakestheteacherangry.未完成他的作業(yè)讓老師很生氣。動(dòng)詞-ing作主語，常常表示抽象的習(xí)慣性或經(jīng)常性的動(dòng)作。而不定式一般表示一次性、具體性的行為;且表示將來的事情或未達(dá)成的目的。

Tolookafterchildrenisherjobtoday.

她今天的工作是看孩子。

Lookingafterchildrenisherwork.

她的工作是看孩子。3.DifferencebetweenV-ingformandinfinitive(todo)Practice1.RewritethefollowingsentenceswithV-ingform.1Itisbothchallengingandrewardingtostudyabroad.2ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.3Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.4Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.5Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.Studyingabroadisbothchallengingandrewarding.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.

Hiringlocalguidesisstronglyadvised,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.PPT模板http://www.xxx/moban/

XixiNationalWetlandPark(西溪國家濕地公園),________10squarekilometresinwesternHangzhou,isthefirstnationalwetlandparkinChina.__________citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,______aboattour,________alongpaths,and___________localcustomsandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople’sfavouriteactivities.Withtrees,bushes,andcolourfulflowers________alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.Inordertobetterdevelopaswellaspreservethisplace,________humanimpactonXixiWetlandwasconsideredbytheparkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometomanybirdsandfishes.Wi