湖南省桑植縣賀龍中學高中英語必修一教案Unit2Periods7-9Grammarandusage

課時：Periods79Grammarandusage整體設(shè)計三維目標1.TogiveabriefintroductiontoattributiveclausesintroducedbyPreposition+whichandpreposition+whomRelativeadverb:when,whereandwhy.2.EnablestudentstolearnattributiveclausesintroducedbyPreposition+whichandpreposition+whomaswellasrelativeadverb:when,whereandwhy.重點難點Learnhowwhen,whereorwhyisusedtointroduceanattributiveclause.教學方法1.Taskbasedinclassactivities.2.Explanationofsomerulesoftheattributiveclause.3.Practice.教具準備Someslidesandthemultimedia.教學過程→Step1RevisionandLeadin1.petitionAskstudentstousetheattributiveclausesintroducedbythat,which,who,andwhosetomakesentences.Dividetheclassintofourgroupsandaskstudentstostandupbythemselvestomakesentences.Thegroupwhomakethemostsentencesarethewinners.2.Leadin→Step2GrammarIHelpstudentslearninwhatcircumstancesthesetwoformsareusedtointroduceattributiveclauses.1.AskthestudentstoreadthetwoattributiveclausesinPointonpage28andthenpointouttheantecedentsinthem.Andthentellthefunctionofeachantecedentintheclause.2.ReadthetwosentencesinPoint2.(TheyinformalEnglishandtheprepositionisusuallyputattheendoftheattributiveclause.)AskstudentstochangethetwosentencesintoformalEnglish.3.Judgewhetherthefollowingsentencesaretrueorfalse.Showthefollowingsentencesonthescreen.1)DadisapersontowhoIcaneasilytalk.(F)2)DadisapersonwhomIcaneasilytalkto.(T)3)DadisapersonIcaneasilytalkto.(T)4)DadisapersontothatIcaneasilytalk.(F)5)DadisapersonthatIcaneasilytalkto.(T)6)DadisapersonwhoIcaneasilytalkto.(T)4.Presentthreeexamplesentencesindifferentways,payingattentiontotheprepositionsintheclauses.Inthisway,studentswilllearndifferentformsofclausesintroducedbyprepositions.1)ThepenwithwhichIwritemyhomeworkeverydayisbroken,soI’llhavetobuyanewone.(Herewithmustbeusedbecausewesay‘Iwritemyhomeworkwiththepeneveryday.’)2)Doyouknowthenameofthegirlaboutwhomourteacheristalking?(Hereaboutmustbeusedbecausewesay‘ourteacheristalkingtothegirl.’)3)ThemanforwhomIboughttheoldpictureisovereightyyearsold.(Herefrommustbeusedbecausewesay‘Iboughttheoldpicturefromtheoldman.)5.PracticeShowthefollowingsentencesontheblackboard1)Thetwothingsweretheirchildren’sexcellentperformanceinstudyandtheirhappyfamilylife.Theparentsfeltveryproudofthem.2)Ishallneverforgettheday.Wefirstmetonthatday.3)Hehaslostthekeytothedrawer.Thepapersforthemeetingwerekeptinthedrawer.4)Canyoulendmethemagazine?Youtalkedaboutitwithyourclassmatesyesterday.5)Antarcticaiscoveredwiththickiceallyearround.Weknowverylittleaboutit.Askthestudentstobinetwosentencesintoone.Payattentiontotheprepositions注:介詞+關(guān)系代詞whom(1)關(guān)系代詞的確定先行詞指物:介+which先行詞指人:介+whom(2)介詞的確定技巧:①根據(jù)定語從句的謂語動詞來判斷Thepictureforwhichhepaid2000dollarswasdrawnbyafamouspainter.Thepictureonwhichhespent2000dollarswasdrawnbyafamouspainter.②根據(jù)先行詞特殊性Thespeedatwhichthemachineoperatesisshowontheputer.③特例Idon’tlikethewayinwhich/that/省略youspeaktoher.注:1.介詞+which=when/where/why④有些介詞不可提前Thisisaboythatwemustlookafter/tookcareof.類似的詞組:lookfor/lookafter/takegoodcareof等⑤介詞+whom/which+不定式(相當于一個定語從句)→Step3GrammarⅡ1.Tellstudentsthatwhenthenounortheantecedentreferstoacertainperiodoftimeandisusedastheadverbialoftimeintheattributiveclause,whenisusedtointroducetheclause.Herewhenisusedasarelativeadverb.Letstudentsreadthethreeexamplesentencesinpoint1onpage30.Askthemtotellwhatwhenreferstoineachofthesentences.Sostudentscanknowthatsentencesherecanbesaidinotherwaysasthefollowing:1)Doyourememberthedayonwhichweleftyouincharge?2)IoftenthinkofthemomentatwhichIsawtheUFO.3)IrememberthetimeatwhichEricwonthatspeechpetition.2.Tellstudentsthatwhenthenounortheantecedentreferstoaplaceandisusedastheadverbialofaplaceintheattributiveclause.Whereisusedtointroducetheclause.Herewhereisusedasarelativeadverb.Letstudentsreadthefourexamplesentencesinpoint2.Askthemtotellwhatwherereferstointhesentence.Alsowecanchangethesentencesintoanotherway.3.Tellstudentsthatwhenthenounortheantecedentisthewordreason,whyisusedtointroducetheclause.Herwhyisusedasarelativeadverb.Tellthestudentsherewhycanbereplacedbyforwhich.注:正確使用關(guān)系代詞&關(guān)系副詞根據(jù)定語從句中所作成分來確定關(guān)系代詞或關(guān)系副詞。誤區(qū):先行詞是時間就用when,是地點就用where,是原因就用why?！鶶tep4Practice1.AskthestudentstoreadtheplayinReadingagainandfoundouttheattributiveclausesinitwhichfeaturethegrammartheylearnedtoday.2.Askthestudentstodomultiplechoicesaboutattributiveclausesonthescreen.1)Hisparentswouldn’tlethimmarryanyone_____________familywaspoor.A.ofwhomB.whomC.ofwhoseD.whose2)Inthedarkstreet,therewasn’tasingleperson_____________shecouldturnforhelp.A.thatB.whoC.fromwhomD.towhom3)AfterlivinginParisforfiftyyearshereturnedtothesmalltown_____________hegrewupasachild.A.whichB.whereC.thatD.when4)CarolsaidtheworkwouldbedonebyOctober,_____________personallyIdoubtverymuch.A.it