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1、2019-2020年高中英语Unit3Amazingpeoplegrammar教案牛津译林版必修2(I)一．【设计思想】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的用法、一般过去时与过去完成时的用法区及现在完成时与过去完成时的用法区别。二．【教学目标】Mastertheusageofpastperfecttense.三．【教学重难点】Themainusageofpastperfecttense.Thedifference
2、sbetweenpresentperfectandpastperfect.【课堂导入】Step1:观察与思考（请赏析课本中含有“过去完成时”的句子并口头将它们翻译成中文）1.(L7P42)Bythe1920s,hehadbeeanexplorer,searchingforthetombsoftheEgyptiankings.2.(L17P42)Thetombcontainedmoretreasurethananyofushadeverseenbefore,aswellasthemummyoftheking.3.
3、(L23P42)Upontheirenteringthetomb,Carter’sluckypetbird,whichhehadleftinCairo,wasswallowedbyasnake.4.(P48)Cartersaidthattheyhadhiddentheentrancetothetomb.5.(P48)IhaddonemyhomeworkthismorningbeforeIwenttothemuseum.【课堂教与学】Step2:请阅读教材48页有关内容，然后总结过去完成时构成形式和主要用法Ste
4、p3:pletePartA(onPage49)Step4:pletePartB(onPage50)Step4:Presentperfectorpastperfect?1.Thepresentperfecttenseisusedwhenwearetalkingaboutapasteventwhichrelatestothepresenttime.e.g.HowardCarterisoneofthemostfamousexplorerstheworldhaseverknown.2.Thepastperfectten
5、seisusedwhenwearediscussingthepastandwanttotalkaboutanevenearlierevent.e.g.Notlongafterthetombhadbeenopened,peopleinCarter'steambegantofallillanddiestrangely.【课堂巩固】请用适当的时态完成下列句子1.We（已经学了5000单词）bytheendoflastmonth.2.I（已经完成作文）beforesupper.3.They（已经吃过早饭）beforet
6、heyarrivedatthehotel.4.HowmanyEnglishfilms（你已经看过）bytheendoflastterm?5.Hesaidhe（从未见过）suchanexcitingmatchbefore.6.Mostoftheguests（已经离开）whenhearrivedattheparty.7.WhenJackarrived,helearnedMary（已经离开）foralmostanhour.8.Shedidn’tgotobeduntilshe（已经完成）thework.9.Itwast
7、hethirdtimethathe（失业）thatyear.10.AssoonasIsawaladygettingoffthebus,Iknewitwasshe,forI_____________________（以前见过她）.【知识小结】A.过去完成时的构成形式：had+过去分词B.过去完成时的主要用法主要用法典型例句1.表示过去某一时间或动作之前已经发生或完成的动作或存在的状态；Mostoftheguestshadleftwhenhearrivedattheparty.2.表示过去某一时刻之前发生的动作或状
8、态持续到过去某个时间或持续下去，常与for，since等词连用；WhenJackarrived,Maryhadbeenawayforalmostanhour.3.某些动词（hope,expect,intend,mean,plan,suppose,think,want,wish）等的过去完成时表示过去未实现的希望、计划或打算；Theyhadhopedtobeabletoarrivebef
