Unit3Couldyoupleasecleanyourroom第2课时SectionA3a-4c教学目标一、知识与技能1.掌握重点词汇和短语。2.复习、巩固表示委婉请求的句型。3.培养阅读理解能力和口语表达能力。二、过程与方法以学生为主体调动学生的积极性，通过大量练习感悟、巩固知识。三、情感态度与价值观树立“做好家务，人人有责”的意识和保持家里干净、整洁，方便自己也方便了他人。教学重点复习、巩固表示委婉请求的句型。教学难点培养阅读理解能力和口语表达能力。教法导航引导学生积极参与课堂活动，以学生为主体调动学生的积极性，老师少讲，鼓励学生多练。学法导航1.学生认真听，多训练以此达到学以致用的目的。2.加强小组合作学习，积极回答问题。教学准备多媒体，大量示例及练习。教学过程Step1GreetingsGreetthestudentsasusual.Step2Revision1.Dictatetheimportantphrasesandsentenceslearnedlastclass.2.Asksomepairstopracticetheconversationinthehomework.Step3PresentationAsk：Doyoudochoresinyourhome?Whatdoyouusuallydo?Whatdoesyourmotherdo?Ifyourmotheristired，wouldyouhelpher?Getthestudentstotalkabouttheseinpairs.Thenasksomestudentstoreporttheiranswers.Thenremindthemthatmotherissometimestired，soweshouldhelpherdochores.Step4Reading3a,ShowthepictureofNancy’shomeandsay：ThisisNancy’shome.Whatamess?Whathappened?Pleasereadthepassageandanswerthefollowingquestions.1.DidNancydoanyhouseworkthatday?2.WhywasNancy’smomangrywithNancy?3.Didtheysolvetheproblem?How?3b,Readthestoryagainandreadthesentencesbelow.Underlinethesentencesfromthereadingthatmeanthesamething.1.Neitherofusdidanyhouseworkforaweek.2.MymomcameoverassoonasIsatdowninfrontoftheTV.3.You’retired，butI’mtired，too.Asksomestudentstoreporttheiranswersandhelpthemtounderstandtheunderlinedparts：1.Foroneweek.ShedidnotdoanyhouseworkandneitherdidI.2.TheminuteIsatdowninfrontoftheTV，mymomcameover.3.I’mjustastiredasyouare!3cDecidewhethertheunderlinedwordsinthesentencesareverbsornouns.Thenwriteanothersentenceusingtheunderlinedwordintheotherform.Couldyoutakethedogforawalk?(noun)2.CouldIwatchoneshowfirst?3.Ican’tworkallday.4.YouwatchTVallthetime.5.“Whathappened?”sheaskedinsurprise.Ifthere’sdifficulty，askthemtodoitwiththeirpartner.Step5PresentationReadandrememberthesentencesinthetable.CouldIgooutfordinnerSure，thatshouldbeOK.withmyfriends?CouldCouldwegetsomethingtodrinkafterthemovie?No，youcan’t.Youhaveabasketballgametomorrow.Couldyoupleasetakethedogforawalk?OK，butIwanttowatchoneshowfirst.Couldyoupleasetakeouttherubbish?Yes，sure.Step6GrammarCouldyou（please）+V-原形？表示委婉地提出请求。e.g.1.Couldyoupleasecleanyourroom?Yes，sure./Ofcourse./Certainly./Allright.2.Couldyoupleasedothedishes?Sorry，Ican’t.Ihavetodomyhomework.在表示请求帮助或请求允许的疑问句中，常用could代替can，以表示礼貌，委婉或不确定的语气，而can则不具备这些语气。这种情况下不能把could看作can的过去式。以上两句中用could是为了表示礼貌的请求。表示请求帮助或请求允许时，除了can，could之外，还可以用may。Could/Can/MayIuseyourcarforaday?如同意可以说Yes或Sure或Certainly，还可说Yes，(do)please.或Ofcourse.(youmay/can).或Goahead，please.或That’sOK/allright;如果不同意，可以说I’msorryyoucan’t.或I’mreallysorry，butIhavetouseittoday.要避免说No，youcan’t.这样显得很不礼貌。否定回答通常用委婉语气。无论肯定还是否定应答中，要避免使用could，要用can或may。因为应答须用确定的语气。而could在表请求的问句中是为了表示礼貌或委婉语气，用在应答中则成了不确定语气，与情理不符。所以应答中不说Yes，youcould.或No，youcouldn’t.而要说Yes，youcan.或Sorry./No，youcan’t.Step...
