人教版高二英語必修六Unit5-Grammar(1).ppt

Unit5Thepowerofnature,本課時重、難點,重點:動詞-ing形式的作用動詞-ing形式在做狀語時的作用難點:動詞-ing形式的一般式與完成式的區(qū)別,觀察下列例句,思考劃線部分作用。(1)Thisisaninterestingbook.()(2)Themansittingbythewindowisourmathsteacher.()(3)Seeingtheteacherenteringtheroom,thestudentsstoodup.()(4)Isawtheboywalkingonthestreetyesterday.()(5)Playingfootballishisfavotiresport.()(6)Ididntstopworkinglastnight.()(7)MyworkisteachingEnglish.(),定語,定語,狀語,賓補,主語,賓語,表語,動詞-ing是動詞非謂語形式中的一種,單獨使用時,能在句中做除_之外的任何其他句子成分。如:主語、賓語、表語、定語、狀語、賓補等。在語態(tài)上，動詞-ing表示_(主動/被動的動作)。在時間上,動詞-ing一般表示_(正在進行/已經(jīng)完成的動作）。,謂語,主動,正在進行,Lookingcarefullyattheground,Imademywaytotheedgeofthecrater.,HavingexperiencedquiteafewearthquakesinHawaiialready,Ididnttakemuchnotice.,Lookingcarefullyattheground,IHavingexperiencedquiteafewearthquakesinHawaiialready,I,Theingformisusedasanadverbial.,ing形式的完成式所表示的時間在主要謂語動詞之前,Theingformcanbeusedasanadverbialinasentencetogiveinformationabout_,_,_,_,etc.,Itrainedheavily,causingseverefloodinginthearea.,結(jié)果,Beingtired,Istoppedtotakearest.Havingbeenwritteninhaste,thebookhassomefaults.,原因,Walkingalongthestreet,ImetMary.Havingfinishedmywork,Iwenthome.,時間,Istoodthere,waitingforher.Theboywasleftthere,crying.,伴隨,條件,1.Havingwrittentheletter,Johnwenttothepostoffice.2.Seeingthebeautifulsight,thechildrenfeltexcited.,V-ing,doing,havingdone,表動作有先有后,表動作同時發(fā)生,1._himtheanswerseveraltimes,Ididntknowifhecouldunderstand.2._theanswerseveraltimes,hestillcouldntsolvethequestion.,Havingtold,Havingbeentold,havingdone,主句主語為動作的發(fā)出者。,主句主語為動作的承受者。,havingbeendone,3._(咬)bythesnakeonce,shefeelsfrightenedwhen_(看到蛇).,2._(聽到這個消息),wegotexcited.,1._(刷完牙),Mr.Browncamedownstairsforbreakfast.,Havingbrushedhisteeth,Hearingthenews,Havingbeenbitten,seeing,分詞短語做狀語時,前面可以加上連詞,如if,unless,when,while,once,though,etc.,asnake,arrive,give,spend,takeandbuy.,1_thewrongbus,Martinfoundhimselfinanunfamiliardistrict.2_heropinionaboutprotectingtheenvironment,sheleftthemeeting.,Havingtaken,Havinggiven,3_thepreciousnecklace,shehadnomoneyleft.4_alldayathomewriting,thenovelistwentoutforawalkintheevening.5_earlyforhisdate,Markspenttimereadingthenewspaper.,Havingbought,Havingspent,Havingarrived,1.Whenshewokeupinthemiddleofthenightshesawherroomwasaslightasday.,_inthemiddleofthenight,shesawherroomwasaslightasday.,Wakingup,2.Afterwehadstoppedthecar,wefoundourselvestrappedinthickfogandcouldntseeclearlyahead.,_thecar,wefoundourselvestrappedinthickfogandcouldntseeclearlyahead.,Havingstopped,3.BecauseIhadspentallnightreadingthedocuments,Iwasverytiredthenextday.,_allnightreadingthedocuments,Iwasverytiredthenextday.,Havingspent,4.Asthechildhadneverseenarainbowbefore,hewasveryexcited.,_arainbowbefore,hewasveryexcited.,Havingneverseen,Sometimesadverbialclausesintroducedbywhen,after,as,becauseandsooncanbereplacedbytheingform.,1.分詞(短語)作狀語時,其邏輯主語必須與句子的主語一致。如果不一致,必須用獨立主格結(jié)構(gòu)來表示,也就是在分詞前面加上它的邏輯主語。,使用-ing形式需注意的幾個問題,Comparingallthegreatpeoplewitheachother,youllfindthattheyhavemuchincommon.Findinghercarstolen,shehurriedtoapolicemanforhelp.Thetrainhavinggone,wehadtowaitanotherday.,分析:前兩例中,-ing形式的邏輯主語均為主句的主語。最后一例中havinggone的邏輯主語是thetrain。,1.Ifitissunny,wellgoforapicnictomorrow._,wellgoforapicnictomorrow.2.Asitwasaholiday,alltheshopswereshut._,alltheshopswereshut.3.Whenautumncomes,swallowsgotothesouth._,swallowsgotothesouth.,Itbeingsunny,Itbeingaholiday,Autumncoming,Notfearingthefire,thechildtouchedandgotafingerburnt.小孩兒不知道怕火,用手去摸,把手指燙了Notknowinghowtofindthesubway,Iaskedapolicemanforhelp.我不知怎樣找到地鐵,就去找警察幫忙。,2.分詞的否定形式是在分詞短語前面加上not,never等否定詞構(gòu)成。如:,AneyewitnessaccountofamurderatFlat3,SouthamptonGardens,London,_(arrive)attheparty,Ifoundallmyfriendswerealreadythere.Thedancingwasjustbeginning._(stand),Isawsomeofmyfriends_(chat)atatable.SoIwentovertojointhem.,Arriving,Standing,chatting,AllthiswhileIhadnotseenmyhostess._(take)adrink,Ifeltuncomfortableandgotaheadache.Amaidtookmeupstairstorest.Itwasabout10pm._(rest)forawhile,Ifeltbetterandwenttothebalconytohavesomefreshair.,Havingtaken,Havingrested,Itwasatthatmome