八年级英语上册《unit 8 natural disasters grammar》教案 （新版）牛津版 (3)

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1、《Unit8NaturaldisastersGrammar》GrammarTeachingaimsanddemands:Newwords:project,discuss,guidebook,terrible,break,breakdown,snowball,hitTeachingmethods:task-basedapproachTeachingtask:1Furtherstudythepastcontinuoustense.2Learn“while”and“when”inthepastcontinuoustense.Teachingaids:taperecorderTeaching

2、procedures:Task1Askandanswer.Askandanswer(Model):A:Whatwashe/shedoing?B:Washe/she…?A:No,he/shewasn’t.He/shewas……A:Whatweretheydoing?B:Werethey…?A:Theywere……A:Whatweretheydoing?B:Weretheyswimming?A:Yes,theywere.A:Whatwashedoing?B:WashewatchingTV?A:Yeshewas.A:Whatwasshedoing?B:Wassheplayingbasket

3、ball?A:Noshewasn’t.Shewasplayingvolleyball.Task2Oralpractice.Task3Presentation.Grammar:UsingthepastcontinuousTense运用过去进行时态语法简介：过去进行时态（一）构成was(were)+动词-ing构成。(二)形式过去进行时的肯定式:Iwasworking.Youwereworking.He/She/Itwasworking.We/You/Theywereworking.现在进行时的否定式:Iwasnotworking.Youwerenotworking.He/She/Itw

4、asnotworking.We/You/Theywerenotworking（三）用法：过去进行时表示过去正在发生或进行着的动作例如：Youwerelisteningtome.TheywerelearningEnglish.Whatwereyoudoing?HewaswatchingTV.过去进行时的用法：表示在过去某一时刻或某一时间正在进行的动作。这一特点的过去时，除了有上下文暗示以外，一般用时间状语来表示。--Whenwereyoudoingthistimeyesterday?--Wewereworkinginclass.Hewasmendinghisbikeatteno’clo

5、ckyesterday.Iwasdrawingahorsewhentheteachercamein.Whileshewastryingtopassatruckbeforeher,shesawanothercarcoming.如：Marywrotealettertoherfriendlastnight.Mary昨晚给她的朋友写了封信。（信写完了。）Marywaswritingalettertoherfriendlastnight.Mary昨晚一直在给她的朋友写信。（信不一定写完。）Task4PracticeLook!Somechildren____________(chat).Sorr

6、y,I________(help)thebabytietheshoelaceatpresent.Somechildren___________(chat)thistimeyesterday.Sorry,I________(help)thebabytietheshoelaceatthattime.I_______(wash)myfaceat6thismorning.She_____still______(lie)inbedthistimeyesterday.7_____you_____(watch)TVfromseventonineyesterdayevening.8He______(

7、drink)teathewholemorning.9--Wheredidyougojustnow?--Totheteachers’office.--Whatwereyoudoingthere?--I_______(solve)amathproblemwithmyteacher.Ittookusalongtimetoworkitout.Task5PresentationA)当两个延续（思考．举例）的动作同时发生，两个句子都可用过去进行时来表示，用while连