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1、2011-2012学年8年级英语(北师大版)上册(含教案和练习)Unit4FactandStory(1)一.教学内容:第四单元第一部分学会使用情态动词could表述某人在过去某一阶段所具有的能力,学会描述过去正在发生的事情的经过。二.本周教学重点和难点:1.Tousecouldtotalkaboutabilitiesinthepast.2.Todescribepasteventsusingthepastcontinuous.3.Someveryimportantexpressions.三.具体内容:(一)Could-a
2、bilities1.基本用法:表示某人在过去某一时期所具备的某种能力。Hecouldplaytheviolinwhenhewasseven.Shecouldn’tdressherselfwhenshewasthree.CouldtheyspeakFrench?Yes,theycould.2.基本构成:coulddosth.Hecouldrideabikewhenhewasalittleboy.Hecouldnot(couldn’t)rideabikewhenhewasalittleboy.Couldherideabik
3、ewhenhewasalittleboy?Yes,hecould.No,hecouldn’t.3.Completetheblankswithcouldorcouldn’t.AlbertEinstein(1879-1955)wasaGerman-bornAmericanphysicist,thecreatoroftherelativity.Hetalkuntilhewasthreeyearsold.TigerWoods,theAmericangolfchampion,wasbornin1975.Heplaygolfass
4、oonashecouldwalk.HoratioNelson(1758-1805)wasaBritishnavalcommanderduringtheNapoleonicWars.Hespentallhislifeatseabutheswim.(二)Pastcontinuous1.基本用法:(1)表示过去某一时刻或某一段时间里正在进行的动作。IwaswatchingTVatnineo’clockyesterday.Lastweekwewereworkinginthecountryside.(2)可以表示过去预计将要发生
5、的动作,但只适用于start,fly,come,go,leave,arrive,stay,return等动词。Noonewascomingasitwasarainyday.(3)也可代替过去一般时表示赞美,厌烦等情绪。Hewasalwaysworkinghard.Theboysweremakingnoiseallthetime.(4)常被用来描写故事发生的背景。Janewasdancing.Whenshesawmeshestopped.2.基本构成:I/He/Shewasplayingbasketball.We/You
6、/Theywere3.过去进行时与一般过去时区别:前者表示“正在做某事”,后者表示“做过了某事”。Iwastranslatinganarticlelastnight.Itranslatedanarticlelastnight.前者用来表示较长的动作,意味着一个过程。后者表示较短的动作。Iwasrunningdownstairs,whenIslippedandfell.ThewindblewthewindowopenwhileIwaswritingareport.由此可见,过去进行时比一般过去时更多见于所引导的表示过程的
7、时间状语从句中。Imetmycousinas/when/whileIwasgoinghome.四.usefulexpressions:1.begoodat擅长MaLinisgoodatmath,sohelikestakingpartinmathcontests.Judyisgoodatlanguages,soshespeaksChineseverywell.2.attheageof在……岁ChildrengotoschoolattheageofsixinChina.Iwillgraduatefromahighschoo
8、lattheageof18.3.looklike像Thelittlegirldoesn’tlooklikeherfather.Therocklookslikeamonkey.4.lookat看LookatmewhenIamtalkingtoyou.Shelookedattheblackboardbutshecouldn’tseea