高中英語外研版高中選修6Module2FantasyLite

TheThirdPeriodGrammar-AdverbialClausewith-ingTeachinggoals教學目標1.Knowledgeandabilitygoals知識能力目標Enablethestudentstounderstandandlearntouseadverbialclauseswith-ing.2.Learningabilitygoals學能目標Helpthestudentlearnhowtouseadverbialclauseswith-ing.Teachingimportant&difficultpoints教學重難點Learntouseadverbialclauseswith-ing.Teachingmethods教學方法Questionandanswer;Translation,sentencepatterntransformation.Teachingaids教具準備Aprojectorandsomeslides.Teachingprocedures&ways教學過程與方式StepIRevisionandLead-inReadthefollowingsentencesandmakeachoice.Samplesentences:1.Puttingdownhisshoppingbag,Willheldouthishand.2.Will,stillwatching,sawthecatbehavecuriously.3.Hecrossedtheroad,keepinghiseyesonthespotwherethecathadbeeninvestigating.4.Pushinghisshoppingbagthrough,hescrambledthroughhimself.Thenaskthestudentstoreadaloudthesentences.StepⅡGrammarTask1:GrammarfocusT:Fromthesentencesabove,wecanseethatthereisacommaineachsentence.Andthetwopartsofeachsentencerefertothesameperson.Nowlet’sfindsomethingmoreabout-inginthesentences.First,whichsentencesdescribetwothingsthathappenatthesametime?Andwhichsentencesdescribeonethinghappeningimme-diatelyafteranother?Sa:Twothingsthathappenatthesametime:Sentences2,3Sb:Onethinghappeningimmediatelyafteranother:Sentences1,4ThenaskthestudentstodoActivity2andthenchecktheanswers.T:Aftertheaboveexercises,wecanconcludethat-ingcansometimesbeusedtodescribetwothingsthathappenatthesametime,andsometimesdescribeonethinghappeningimmediatelyafteranother.Nowlet’sseethefourformsofAdverbialclauseswithingandtheirusage.1.現(xiàn)在分詞的一般式表示該動作與謂語動作同時發(fā)生或在謂語動作之后發(fā)生，有時也表示在謂語動作之前發(fā)生。Thefishcaneatapersonintwominutes,leavingonlybones.現(xiàn)在分詞的完成式表示現(xiàn)在分詞的動作發(fā)生在謂語動詞之前，強調(diào)時間先后關(guān)系。Havingfinishedhishomework,theboywentouttoplayfootball.3.現(xiàn)在分詞的一般式被動式表示該動作與謂語動作同時發(fā)生，表被動。Beingnoticedbysomanypeople,shefeltnervous,notknowingwhattosay.Beingblamedbytheteacher,Henrycouldn'thelpcrying.4.現(xiàn)在分詞的完成式被動式表示該動作與謂語動作同時發(fā)生，表被動。Nothavingbeenwashedinthecorrectway,thecoathasfaded.Nothavingheardfromhersonforalongtime,themotherworriedagreatdeal.Thetwopartsofeachsentencerefertothesameperson.Besides,wecanalsoputprepositions/conjunctionsbefore-ingtoformaphrase,suchaswhile，when,once,although,until,ifetc.Andthephrasecanbechangedintoanadverbialclause.Forexample,Onseeingher,thekingfallsinlovewithher.canalsobechangedinto:Whenthekingseesher,heimmediatelyfallsinlovewithher.T:Theadverbialclauseswith-ingcanbeusedtoindicatetime,cause,condition,result,etc.Thesesentencescanbechangedintosubordinateclausesorjuxtapositionalsentences.Nowlet’sdothefollowingexercises.1.時間狀語，相當于when,while,as等引導的時間狀語從句，常位于句首或句末。hewaswalkingalongthestreet,hemethisoldfriend.=Walkingalongthestreet,hemethisoldfriend.carefulwhileyouarecrossingthestreet.=Becarefulwhilecrossingthestreet2.原因狀語相當于as,since,because等引起的原因狀語從句，常位于句首,句中或句末。shehadn’treceivedhisreply,shedecidedtowriteasecondletter.=Nothavingreceivedhisreply,shedecidedtowriteasecondletter.3.條件狀語，相當于一個if等引導的條件狀語從句，常位于句首。Iknowanythingaboutit,Iwilltellyouall.=Knowinganythingaboutit,Iwilltellyouall.4.讓步狀語：相當于although,though,evenif,eventhough引起的讓步狀語從句,常位于句首。Althoughhehadboughtalotofbooksfortheexam,hefailedinitbecauseofthelearningmethod.=Buyingalotofbooksfortheexam,hefailedinitbecauseofthelearningmethod.5.結(jié)果狀語表示一種必然的結(jié)果，可擴展為含有并列謂語的簡單句。常位于句末。Myparentswenttothepartyyesterday,leavingmealoneathome.=Myparentswenttothepartyyesterdayandtheyleftmealoneathome伴隨狀語分詞等于and并列兩個動詞或分句。Allthestudentssatintheclassroomandlistenedtotheirteacher.=Allthestudentssatintheclassroom,listeningtotheirteacher.方式狀語分詞等于介詞with引起的方式狀語或and并列的兩個謂語動詞Walkingslowly,Iapproached（靠近）thelittlewindow.=Bywalkingslowly,Iapproachedthelittlewindow.注意:為了使動詞ing形式作狀語所表達的時間，條件，結(jié)果，讓步，原因等意思更加明確，可以在動詞ing前加上適當?shù)倪B詞或介詞（when,while,as,because,if,though,after,before等）。assoonas可以用on+v-ing取代。1Don’ttalkwhilehavingdinner.2Oncelosingthischance,youcan’teasilyfindit.3Onarrivingtheclassroom,shebegantoread.改錯1.Whilereadingthebook,thetelephonerang.outthroughthewindow,thegardenwasbeautiful.動詞ing形式作狀語時，其邏輯主語必須與句子的主語一致，且必須與句子的主語是邏輯上的主謂關(guān)系，動詞ing形式表示的動作是次要動作。（一個主語多個動作。）Task2:Practice1.ReadingFirstaskthestudentstoreadaloudthefollowingexamplesentencesandtellwhichsentencesdescribetwothingsthathappenatthesametime(1)andwhichsentencesdescribeonethinghappeningimmediatelyafteranother(2).Hearingthenews,theyalljumpedwithjoy.(2)Usingwhatyouknowofwordstemsandwordformations,youcanmakeaguessatthemeaningofanewword.(1)Thestudentswentoutoftheclassroom,laughingandtalking.(1)Whenleavingtheairport,shewavedagainandagaintous.(1)Whilewaitingforthetrain,Ihadalongtalkwithmysisteraboutherwork.(1)Standingontopofthehill,youcanseeasfarastheseaside.(1)Thefishcaneatapersonintwominutes,leavingonlybones.(2)Havingfinishedhishomework,theboywentouttoplayfootball.(2)Bei