单元：Unit3Amazingpeople板块：GrammarandusageThoughtsonthedesign:本节课是语法教学课。以观察——发现——讨论——归纳——运用为主要教学模式，充分利用本单元语言素材，通过多种图示和语法规则的呈现，让学生比较全面系统地掌握过去完成时（Pastperfecttense）的用法、一般过去时（Simplepasttense）与过去完成时的用法区别及现在完成时（Presentperfecttense）与过去完成时的用法区别。语法规则的归纳与讲解所选用的语言材料和所涉及的练习与本单元话题（Amazingpeople）相联系。力求让学生在语篇中灵活运用所掌握的语法规则，避免学生死抠语法，生搬硬套。Teachingaims:Afterlearningthislesson,thestudentswillbeabletounderstandsentencesinwhichthepastperfecttenseisused.Theyarealsoexpectedtodistinguishthepastperfecttensefromthesimplepastandthepastperfecttensefromthepresentperfecttense.Atthesametime,theywillreadsomepassagesinwhichthesimplepasttense,thepastperfecttenseorthepresentperfecttenseisused.Teachingprocedures:Step1Leadin(PPT4-5)1.What’sthetopicofUnit3?(Amazingpeople)2.Howmanyamazingpeoplehavewereadaboutinthisunit?Whoarethey?(MotherTeresa,BillGates,Beethoven,ZhangHeng,HowardCarter.)3.CanyoutellmesomethingaboutHowardCarter?(HowardCaterisoneofthemostfamousexplorerstheworldhaseverknown.Hewasbraveandadventurous.…Upontheirenteringthetomb,Carter’sluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.)4.Whatverbtensesareusedinthesentence?(thesimplepasttenseandthepastperfecttense)[Explanation]教师充分利用教材中的语言素材，既引导学生温习已学的内容，又激起学生对已学内容中出现的语法现象（thepastperfect）的关注。Step2Presentation(PPT6-7)1.Howcanweformthepastperfect?(Byusing“had＋theverb-edform”)2.Page42-43:Rereadthepassage“Thecurseofthemummy”andunderlinethesentencesinwhichthepastperfecttenseisused.Bythe1920s,hehadbecomeanexplorer,searchingforthetombsoftheEgyptiankings.HehadreceivedmoneyfromLordCarnarvon,aBritishmanwhowasveryinterestedinEgypt.Itwasthemostimportanttombthathadeverbeenfound.Thetombcontainedmoreriches,goldandjewelsthananyofushadeverseenbefore.Upontheirenteringthetomb,Carter’sluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.AfewmonthsafterCarterhadopenedthetomb,LordCarnarvon,whowasalsopresentwhenthetombwasopened,fellillwithafeveranddiedinEgypt.[Explanation]通过进一步复读课文，让学生发现过去完成时在语篇中的运用，以加强对过去完成时的感性认识。Step3Theusageofthepastperfect1.Upontheirenteringthetomb,Carter’sluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.Summary:Thepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.(PPT8-9)2.“Wehidtheentrancetothetomb,”saidCarter.Cartersaidthattheyhadhiddentheentrancetothetomb.Summary:Thepastperfecttenseisoftenusedinreportedspeech.(PPT10)3.IhaddonemyhomeworkthismorningbeforeIwenttothemuseum.Summary:Theuseofthepastperfecttensesimplyindicatesthatanactioncomesbeforeanotherpastaction.Itdoesnotmeanthatthepastactionhappenedalongtimeago.(PPT11)4.Bythe1920s,hehadbecomeanexplorer,searchingforthetombsoftheEgyptiankings.PresentPastPresentPastPresentPastCarterlefthisluckypetbirdinCairo.Carter’sluckypetbirdwasswallowedbyasnake.Cartersaidthattheyhadhiddentheentrancetothetomb.Ididmyhomeworkthismorning.Iwenttothemuseum.Theyhidtheentrancetothetomb.Summary:Thepastperfecttenseisoftenusedwithtimeexpressionssuchaswhen,after,before,assoonas,until,by,forandalready.(PPT12)[Explanation]借用学生所熟知的语境及相...
