Unit3 Grammar and usage 公开课教案-谢丹

2/2Unit3Grammarandusage公开课教案湖南省醴陵市第一中学谢丹I.LearningobjectivesBytheendofthelesson,studentswillbeableto:identifypredictiveclauses;completesentenceswithproperlinkingwordstoformpredictiveclauses;writeashortparagraphbasedongivensituations,usingpredictiveclauses.II.Keycompetencefocus1.Chooseproperlinkingwordstoformpredictiveclauses.2.Makesentenceswithpredictiveclauses.III.Predictedareaofdifficulty1.Comparesomelinkingwordssuchasthatandwhat,whyandbecause,etc.2.Applypredictiveclausesindifferentsituations.IV.Teachingprocedures Step1Lead-inTasksstudentstodefinehistorybyusingthesentencepattern“Historyis…”,leadingtothetopicPredictiveclauses.T:Boysandgirls,whatdoyouthinkishistory?Canyougiveadefinitiontohistory?Youmaysay“Historyis…”Tshowstwosentencesonthescreenafterstudentsgivetheiranswers.Historyisadialoguebetweenthepresentandthepast.Historyisnotwhatyouthought.Itiswhatyouremember.Tasksstudentstoobservethetwosentencesandanalyzetheirelementsandstructures.T:Pleasemarkthesentenceelementsandstructures.Aswecansee,bothofthemuseSVP.Anounisusedasthepredictiveinthefirstsentence,whileanounclauseisusedasthepredictiveinthesecondone.Wecallitapredictiveclause.【设计意图：用一个开放式的问题（历史是什么？）激发学生的兴趣，学生可以给出任何不同的定义，然后引导学生观察教师给出的两个句子，引出表语从句的概念。】Step2ExploringtherulesTasksstudentstoreadanarticleandfindthesentenceswithpredictiveclauses.T:HaveyouheardofSimaQian?Whatishe?Yes,heisoneofthegreatesthistoriansinChinesehistory.HereisanessayonSimaQian.Pleasereaditandfindthesentenceswithpredictiveclauses.Sampleanswers:Learningandtravellingwereexactlywhathelpedhiminhislatercareerasahistorian.Hisfather’sdreamwasthatonedayhecouldwriteagreatmasterpiecerecordingwhathadhappenedinhistory.Hischiefconcernwaswhetherhecoulddohisjobmoreeffectivelyandefficiently.【设计意图:通过阅读关于中国著名史学家司马迁的文章，学生从语境中接触句法现象，理解表语从句的特征。】Step3Workingouttherules1.PredictiveclausesintroducedbydifferentlinkingwordsTasksstudentstogothroughthethreesentencesaboveanddeducetherule:Wecanusethattointroduceapredictiveclausewhentheclauseisastatement.Wecanusewhethertointroduceapredictiveclausewhentheclauseisayes-noquestion.Wecanusewhat,why,when,where,etc.tointroduceapredictiveclausewhentheclauseisawh-question.T:CompletethefollowingsentencesaccordingtothegivenChineseandyouwillhaveabetterunderstandingoftherule:Mydoubtiswhetherwecangetthereontime(我们能否准时到那里).Thequestioniswhoisresponsiblefortheaccident(谁为这个事故负责).Theproblemishowwecanraiseenoughmoneyfortheproject(我们怎样才能为这个项目筹集到足够的资金).Thatwaswherewecampedlasttime(我们上次野营的地方).That’snotwhatIwanted(我想要的).Thetruthisthattheyarefullypreparedforthetrip(他们已为旅行做了充分准备).2.PredictiveclausesintroducedbythatandwhatTasksstudentstoobservethelasttwosentenceaboveandtellthedifferencebetweenthatandwhat:Whenintroducingapredictiveclause,whatservesasasentenceelementwhilethatdoesn’t.Besides,whatcanbereplacedwithnoun+that.T:Completethefollowingsentenceswiththatorwhat.Thecityisnolongerwhatitwastenyearsago.=Thecityisnolongerthecitythatitwastenyearsago.2)Thefactisthatweshoulddependonourselves.Usefulsentencepattern:WhatsurprisedmemostwasthathespokeSpanishsofluently.3.PredictiveclausesintroducedbybecauseandwhyTasksstudentstocompletethefollowingsentenceswithbecauseorwhyandtellthedifferencesbetweenthem:Apredictiveclauseintroducedbybecausereferstoreasonwhileapredictiveclauseintroducedbywhyreferstoresult.Hefailedthemathexam.That’sbecausehewastoocareless.Hewastoocareless.That’swhyhefailedthemathexam.Usefulsentencepattern:Thereasonwhyhewasabsentfromthemeetingwasthathefellillsuddenly.4.Predictiveclausesintroducedbyasif,asthoughTasksstudentstotranslatethefollowingsentencesandlearnaboutpredictiveclausesintroducedbyasif,asthough.Itsoundsasifsomeoneisknockingatthedoor.听上去好像有人在敲门。Atthattime,itseemedasthoughIcouldn’tthinkoftherightword.当时，我似乎怎么也想不出一个恰当的字眼来。T:Predictiveclausesintroducedbyasiforasthoughoftenfollowtheverbslikeseem,appear,look,taste,sound,feel,etc.However,weshoulduseunrealconditionalsentenceswhenwedescribesomethingcontrarytoreality.Herearesomeexamples:3)Lookatthedarkclouds.Itlooksasifthereisastormcoming.(与事实相符)4)Itlooksasifsheweredrunk.(与事实相反，事实是她未醉)5)Itappearsasifhehadn’tmether.(与事实相反，事实是他见过她)5.LearningaboutspecialrulesT:Whenthesubjectofasentenceisawordlikesuggestion,advice,order,demand,etc,weoftenuse“should+verb”astheverbofthepredictiveclauseandshouldcanbeomitted.e.g.Myadviceisthatyou(should)thinkitoverbeforeyoumakeadecision.我的建议就是你做出决定之前仔细考虑一下。Tasksstudentstofinishthefollowingsentences.MyfriendJennyasksmeforadviceonhowtolearnChinese.Mysuggestionisthat_______.Myclassmateasksmehowto___________.Mysuggestionisthat______________.【设计意图:首先利用语篇中的三个句子讲解表语从句的特征，连接词的选用。然后让学生通过观察和思考，区分一些易混淆的连接词，理解并熟记某些特定句型和特殊规则。同时通过一些半结构化、半开放式的语言练习，巩固和运用表语从句的相关知识，为最后写作任务打下基础。】Step4ApplyingtherulesTasksstudentstofinishB1onPage35ofthetextbook.Keys:(1)which(2)that(3)that(4)why(5)whether(6)howTasksstudentstofinishB2onPage35ofthetextbook.Keys:(1)that(2)that(3)how(4)why3.TasksstudentstowriteashortparagraphbasedongivensituationsofB3onPage35ofthetextbook,usingpredictiveclauses.Sampleanswers:1)Tomissonervousabouthishistorytesttomorrow.Theproblemisthathegetsstressed