新概念英語青少版4A第廿一課課件JNCE-Unit21-Mad-or-not

JNCE4AUnit21Madornot?JNCE4ATeachingaims1.Sscanmastertheusageofkeywordsandphrases:drivesbmad,forsomereason,comeintouse,offer,alargesumofmoney,be

determinedtodo,driveaway,nightandday;2.Ssknowthestructureofpassivevoicewithmodalverbs“can”,“must”,and“could”and

knowthedifferentmeaningswiththemodalverbs;3.Recitethesecondpara.;4.Sscangettoknowdifferentkindsofnoisesanditsinfluenceonourdailylives.復(fù)習(xí)一般現(xiàn)在時，一般過去時的被動掌握含有情態(tài)動詞的被動語態(tài)的含義，以及結(jié)構(gòu)即可Teachingaims復(fù)習(xí)一般現(xiàn)在時，一般過去時的被動CONTENTSReviewTextlearningGrammarfocusNewwordsCONTENTSReviewTextlearningGra1.課文默寫（7分鐘）。2.Fillintheblanks1)Heisalwaysw_____abouthisweight.2)NowIcanwalktowork_________(而不是)goingbycar.3)Youhavetoh___ifyouwanttocatchthattrain.4)Theboyoftenc____trouble,sohisparentsareangrywithhim.5)Hearingthenews,helookedvery______(吃驚).6)A_____withothersisnotright.7)Iheardalittlebird_____(唱歌)inthetree.8)Tompractice_____(play)theviolineveryday.Keys:1.worried2.insteadof3.hurry4.cause5.surprised6.Arguing7.singing7.playingReview(U19+U20)1.課文默寫（7分鐘）。Review(U19+U20)4can’tfindsomethingimportantalotofworkneedstobedonealwayshearthenoisecan’tsleepwellWhenwillyoufeelmad?can’tfindsomethingimportantPicturetourWhathappenedinthefirstpicture?Didthemandecidetogoaway?

Aeroplane

drivesthemanmad

becauseofthenoise.Hewasoffered

alargesumofmoney,buthedeterminedtostayhere.Whydidhemakesuchadecision?PicturetourWhathappenedint61.madadj發(fā)瘋的,神經(jīng)錯亂的/生氣的，氣憤的①bemadat/with②gomad發(fā)瘋，發(fā)狂Whenisyourmother/teachermadatyou?2.reasonn原因forsomereason:由于某種原因Thereasonwhy…isthat…

…的理由是…3.determine

vt.決定，確定(注意發(fā)音以及重度)

determinetodosthdecidetododeterminedadj.堅定的，堅毅的4.alargesumof:大量的

alargesumofmoneysum:n.總數(shù)Newwords教師需要對于第2，3個單詞舉例1.madadj發(fā)瘋的,神經(jīng)錯亂的/生氣的，氣憤1.I’llgom

ifIhavetowaitmuchlonger.

2.Ther______whyIstudyEnglishisthatIwanttogoabroad.3.Hisfatherspentalarges____ofmoneyonthehouse.4.Thelittlegirlgavemead_________look.Shesaidshewouldnotchangehermind.

Fillintheblanksadeasonumetermined1.I’llgomifIhavetTextlearningTextlearningListenandmark.Listenandfollow.Listenandmark.

Aeroplaneareslowlydrivingmemad.Ilivenearanairportandpassingplanescanbeheardnightandday…Ihavebeenofferedalargesumofmoneytogoaway,butIdeterminedtostayhere.EveryonesaysImustbemadandtheyareprobablyright.Read,divide,andgiveanewtitle.TopicsentenceDevelopmentEnding題目可參照AmImad?讓學(xué)生把分好的段在課文中進行標注，方面后面講解AeroplaneareslowlydrWhatmakethewritergomad?Andwhy?Aeroplanesareslowlydrivingmemad.Part1Topicsentenceaeroplane:n.airplane/plane飛機Whatmakethewritergomad?AIlivenearanairportandpassingplanes(1)

canbeheard(2)

nightandday(3).Theairportwasbuilt(4)

yearsago,butforsomereason(5)itcouldnotbeused(6)

then.Lastyear,however,itcameintouse(7).Part2Development1.canbeheard,couldnotbeused:含有情態(tài)動詞的被動語態(tài)結(jié)構(gòu)：情態(tài)動詞+be+done(情態(tài)動詞不同，情感態(tài)度不同)2.passingplanes過往的飛機（passing修飾planes,“經(jīng)過的，過往的”）3.nightandday日日夜夜，夜以繼日4.comeintouse:投入使用Canyouuseyourownwordstodescribetheairport?有時間，學(xué)完背誦該段Ilivenearanairport

Over(1)ahundredpeoplemusthavebeendriven(2)awayfrom(3)theirhomesby(4)thenoise.1.over(超過),from(來源),by(被動語態(tài))2.musthavedone過去發(fā)生,表示推測,一定…3.musthavebeendone過去發(fā)生,表示推測,被動(僅作了解)Whatwasthepeople’sreaction(反應(yīng))towardsthenoise?Over(1)ahundredpeopleIamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddown(1)

byapassingplane.Ihavebeenoffered(2)

alargesumofmoney(3)

togoaway(4),butIamdeterminedtostay(5)here.1.willbeknockeddown:將來時的被動語態(tài)2.knockdown:擊倒，撞倒3.havebeenoffered:現(xiàn)在完成時被動(offertodo)Howaboutthewriter?Canyouguesswhydidn’tthewriterleavehishouse?

IamoneofthefewpeoEverybodysaysImustbemadandtheyareprobablyright.Part3Ending

mustbemad:肯定推測,一定…Discussion:Doyouknowanyothernoisethatmakeyoumad?EverybodysaysImustFillintheblanks

Aeroplaneareslowlydriving1._____(I)mad.Ilivenear2.____airportandpassingplanescan3.______(hear)nightandday.Theairport4.______(build)yearsago,butforsomereasonitcouldnotbeusedthen.Lastyear,however,it5._____(come)intouse.Overahundredpeoplemusthavebeendrivenaway6.____theirhomesbythenoise.Iamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddown7.____apassingplane.Ihavebeen8.______(offer)alargesumofmoney9.____(go)away,butIdetermined10._____(stay)here.Everyone11.____(say)Imustbemadandtheyare12.______(probable)right.Keys:1.me2.an3.beheard4.wasbuilt5.come6.from7.by8.offered9.togo10.tostay11.says12.probablyFillintheblanksAeropGrammarfocusGrammarfocus1.Passingplanescan

beheardnightandday.2.Theairportwasbuiltyearsago,butforsomereasonitcouldnotbeusedthen.3.Heisbelievedbyus.4.Yourhomeworkshouldbefinishedatonce.Readandfindsomethingincommon學(xué)生需要說出被動語態(tài)的時態(tài)1.Passingplanescanbeheard

ThePassiveVoice1.概念：主動語態(tài)——主語是動作的執(zhí)行者被動語態(tài)——主語是動作的承受者2.結(jié)構(gòu)：主語+be+動詞的過去分詞+其它3.時態(tài)：be必須與主語的人稱和數(shù)一致,通過變化be

體現(xiàn)句子的不同時態(tài)(主要掌握一般現(xiàn)在時和一般過去時).4.含有情態(tài)動詞的被動語態(tài)Reviewwhatwehavelearntaboutthepassivevoice.主語+can(能夠)/

may(可以)/

must(必須)/

should(應(yīng)該)+be

+done(注意情態(tài)動詞的含義)教師需要進一步指出情態(tài)動詞的含義ThePassiveVoice1.概念：主動語態(tài)1.Mybikewasstolenlastnight.

2.Lettersarecollectedateighteverymorning..1.ThedeskwasmadebyMasterWang.2.Thebagwastakenawaybyhissister.Whencanweusethepassivevoice?不知道動作的執(zhí)行者是誰，或沒有必要指出動作的執(zhí)行者時。為了強調(diào)或突出動作的承受者時。根據(jù)學(xué)生情況，選用1.MybikewasstolenlastnigReadandjudgewhetherthesentencesarerightorwrong.Thetruthwillbeknownbyeveryone.Somepensboughtforhischildren.Thechildrengavetheforeignguestsawarmwelcome.易錯點：1.被動語態(tài)的結(jié)構(gòu)記錯(bedone)2.判斷何時使用被動語態(tài)出錯Readandjudgewhetherthesen語法填空(1)---Whoisthelittlebabyinthephoto,Susan?---It’sme.Thisphoto_________(take)tenyearsago.(2)---Whatshouldwedofirstifwewanttodevelopourvillage?---Alotofthenewroads______(must,build),Ithink.(選做)(3)Mymotheralways_______(sweep)theflooreveryday.(4)Rice_______(grow)inthesouthofthecountry.(5)Myaunt______(invite)metothedinnerpartythismorning.Key:1.wastaken2.mustbebuilt3.sweeps4.isgrown5.invited