八年级英语上册《8a unit 6 natural disasters grammar》教学案 牛津版

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1、江苏省连云港市新浦中学八年级英语上册《8AUnit6NaturaldisastersGrammar》教学案（无答案）牛津版(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.过去进行时的否定式:Iwasnotworking./Youwerenotworking./He/She/Itwasnotworking.We/You/Theywerenotworking.过去进行时的疑

2、问式：Wereyouworkingattenlastnight?Yes,Iwas./No,Iwasn’t.Washeworkingattenlastnight?Yes,hewas./No,hewasn’t.(三）用法：过去进行时的意义：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。这一特定的过去时间，除了有上下文暗示以外，一般用时间

3、状语来表示。Whenwereyoudoingthistimeyesterday?--Wewereworkinginclass.Hewasmendinghisbikeatteno’clockyesterday.Iwasdrawingahorsewhentheteachercamein.Whileshewastryingtopassatruckbeforeher,shesawanothercarcoming.2.学习了过去进行时的语法，快来完成99---100页A1和A2部分的练习吧。做完之后，两人一组朗读对话，并核对答案。注意过去进行时的构成

4、哦。3.聪明的你能将A2的对话改写成一段小故事吗？快来显示你的文采吧！Step2巩固练习小试牛刀：用所给动词的正确形式填空：1.Look!Somechildren____________(chat).2.Sorry,I________(help)thebabytietheshoelaceatpresent.3.Somechildren___________(chat)thistimeyesterday.4.Sorry,I_________(help)thebabytietheshoelaceatthattime.5.I___________

5、____(wash)myfaceat6thismorning.6.She_____still______(lie)inbedthistimeyesterday.7._____you____________(watch)TVfromseventonineyesterdayevening.8.He______________(drink)teathewholemorning.9.--Wheredidyougojustnow?--Totheteachers’office.--Whatwereyoudoingthere?--I___________

6、___(solve)amathproblemwithmyteacher.Ittookusalongtimetoworkitout.Step3拓展延伸（PartB）(一)A)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连接，如：1.People________(run)wildlywhilepiecesofglassandbricks________(fall)down.2.Yesterdayafternoon,whileDaniel_______(work)onthecomputer,Millie__

7、______(stand)besidehim.3．We______(clap)ourhandswhiletheperformers_____(march)acrossthepark.B)当一个延续的动作正在发生的时候，另外一个瞬间动作发生了，可用“when”或“while”连接，较长的动词用过去进行时，较短动词用一般过去时．1.Hellokitty_____(wave)tothevisitorswhileshe________(dance)tothemusic.2.We_______(read)aterriblestorywhensudde

8、nlythelights______(go)out.3.Thedoorbell_______(ring)whilewe__________(talk)onthephoneyest