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1、2019-2020年八年级英语上册Unit4《FactandStory》教案和练习1北师大版一.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-abilities1.基本用法
2、：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.Couldherideabikewhenhewasalittleboy?Y
3、es,hecould.No,hecouldn’t.3.pletetheblankswithcouldorcouldn’t.AlbertEinstein(1879-1955)wasaGerman-bornAmericanphysicist,thecreatoroftherelativity.Hetalkuntilhewasthreeyearsold.TigerWoods,theAmericangolfchampion,wasbornin1975.Heplaygolfassoonashecouldwalk.HoratioNelson(17
4、58-1805)wasaBritishnavalmanderduringtheNapoleonicWars.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的动作，但只适用于start,fly,e,go,leave,arrive,stay,re
5、turn等动词。Noonewasingasitwasarainyday.（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/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”。Iwastrans
6、latinganarticlelastnight.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时间状语从句中。Imetmycousinas/when/whileIwasgoinghome.四.usefulexpressions
7、:1.begoodat擅长MaLinisgoodatmath,sohelikestakingpartinmathcontests.Judyisgoodatlanguages,soshespeaksChineseverywell.2.attheageof在……岁ChildrengotoschoolattheageofsixinChina.Iwillgraduatefromahighschoolattheageof18.3.looklike像Thelittlegirldoesn’tlooklikeherfather.Therocklook
8、slikeamonkey.4.lookat看LookatmewhenIamtalkingtoyou.Shelookedattheblackboardbutshecouldn’tseeanything.5.lookfor寻
