英语人教版八年级下册Unit 5 Grammar Focus-4c.ppt

《英语人教版八年级下册Unit 5 Grammar Focus-4c.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit5Unit5Whatwereyoudoingwhentherainstormcame?SectionA3Grammarfocus-4cWhenI…Hewasdoing…WhenIcalledhimup,hewassleeping.WhileI…Hewasdoing…WhileIwalkedtoschool,hewashavingbreakfast.WhileIwasdoing…Hewasdoing…WhileIwasreadingthenewspaper,hewaswatchingTV.1.昨晚八点

2、你在做什么？What________________ateightlastnight?2.我在冲澡。I___________________.GrammarFocus根据汉语意思完成句子。wereyoudoingwastakingashower3.暴风雨来的时候她在做什么？What_____________atthetimeoftherainstorm?4.她在做家庭作业。She_______________________.wasshedoingwasdoingherhomework1.构成及用法过去进行

3、时由“was/were+动词-ing”构成，表示在过去某一时刻或某一段时间正在进行的动作。常与过去进行时连用的时间状语有ateight/nine...(o’clock)yesterdaymorning,atthattime，fromeighttotenyesterdaymorning等。过去进行时如:Alicewasdoingherhomeworkatsixyesterdayevening.Mikeandhisbrotherwereplayingsoccerfromthreetofouryesterdaya

4、fternoon.肯定式：主语+was/were+动词-ing(+其他).如：Iwasswimmingatthattime.否定式:主语+wasn’t/weren’t+动词-ing(+其他).如：Theyweren’tlisteningtomusicattenyesterdaymorning.2.句式疑问式:Was/Were+主语+动词-ing(+其他)?其肯定回答为：Yes,主语(人称代词)+was/were.；否定回答为：No,主语(人称代词)+wasn’t/weren’t.如：—WasJoereadi

5、ngatthetimeoftherainstorm?—Yes,hewas./No,hewasn’t.5.暴风雨来的时候他在做什么？Whatwashedoing______therainstormcame?6.暴风雨来的时候他在图书馆看书。Hewasreadinginthelibrary_______________________.whenwhentherainstormcame7.开始下大雨的时候本在做什么？WhatwasBendoing_____itbegantorainheavily?8.开始下雨的时

6、候本在帮他妈妈做晚饭。Whenitbegantorain,Ben___________hismommakedinner.whenwashelping9.琳达在睡觉的时候，珍妮在做什么？WhatwasJennydoing_____Lindawassleeping?10.琳达在睡觉的时候,珍妮在帮助玛丽做作业。_______________________,JennywashelpingMarywithherhomework.whileWhileLindawassleepingwhen和while都可表示“当…

7、…的时候”,引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？请仔细观察下面的例句，然后补全空格中的内容。过去进行时中的when和while①IwaswalkingtoschoolwhenIsawacatinatree.主句的动作是_______的，而从句动作是_____的，此时用______引导时间状语从句，主句用__________时态，从句用_______________。②主句的动作是______的，而从句动作是______的，此时用______引导时间状语从句，主句用_________

8、_时态，从句用______________。过去进行whenHefinallyfellasleepwhenthewindwasdyingdownataround3:00a.m.when持续性短暂性一般过去时态持续性短暂性一般过去过去进行③WhileIwassleepinginthebedroom,someoneknockedatthedoor.主句的动作是______的，从句的动作是________的，此时用__