英语人教版八年级下册unit 5 grammar focus.ppt

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1、Unit5GrammarfocusWhatwereyoudoingat9o’clocklastnight?Iwasdoingsomehousework.Iwashavingdinner.Askandanswer.Whatwereyoudoingbetween7o’clockand9o’clockyesterday?Iwasdoingmyhomework.IwaswatchingTV.WhatwasTomdoingatthattimelastSunday?Hewasplayingthepiano.Hewasridingabike.HowaboutDavi

2、d?Whatweretheydoingatthattimelastweek?Theywereshopping.Howaboutthem?Theywerehavingapicnic.(过去进行时)过去进行时表示过去某一时刻或某段时间正在进行的动作。过去进行时由"was/were+动词-ing形式"构成。PastProgressiveTense1.过去进行时的各种句式:肯定句:主语+was/were+动词-ing形式否定句:主语+was/were+not+动词-ing形式Iwasreadingatthistimeyesterday.昨天这个时候我正在看书。

3、Iwasn’treadingatthistimeyesterday.昨天这个时候我没在看书。疑问句:(1)一般疑问句:was/were+主语+动词-ing形式。肯定回答:Yes,主语+was/were.否定回答:No,主语+wasn’t/weren’t.如：—Wereyoureadingatthistimeyesterday?昨天这个时候你在看书吗？—Yes,Iwas./No,Iwasn’t.是的,我在看。/不,我没在看。(2)特殊疑问句:疑问词+was/were+主语+动词-ing形式。如：Whatwereyoudoingatthistimeyest

4、erday?昨天这个时候你在做什么？WhatwasheresearchingalldaylastSunday?上周日他一整天都在研究什么？(1)表示过去某一时刻或某一段时间内正在进行的动作,常与时间状语atthattime,atthatmoment,atthistimeyesterday,atteno’clockyesterday等连用。如：2.过去进行时的用法基本用法:Wereyouplayingbasketballatfouryesterdayafternoon?昨天下午四点你们在打篮球吗?一般过去时与过去进行时的动作都是发生在过去。一般过去时强调

5、动作的发生或状态的存在在过去；而过去进行时强调动作正在进行的延续性，其结构:3过去进行时与一般过去时的区别试比较:Ididmyhomeworkyesterdayevening.我昨天晚上写作业。（可能写完了）Iwasdoingmyhomeworkyesterdayevening.我昨天晚上一直在写作业。（可能没写完）Underlinethecorrectformoftheverbs.1.Suddenly,allthelightsinmyhouseweregoingoff/wentoff.Therewasheavyrainoutside.2.---Ica

6、lledyouupatseveno’clocklastnight,butnobodyansweredit.---Really?I’msorry,butIwasteaching/taughtapianolessonatschool.3.---Iwasseeing/sawyouandTominthelibraryjustnow.---Oh,weshowed/wereshowingseveralvisitorsaroundtheschool.4cWhatwereyoudoingatthesetimeslastSunday?Fillinthechart.The

7、naskyourpartner.YouYourpartner9:00a.m.11:30a.m.4:00p.m.9:00p.m.Whatweretheydoingwhenitbegantorain?Theywereplayingcomputergameswhenitbegantorain.Theywereplayingchesswhenitbegantorain.Theywereplayingfootballwhenitbegantorain.WhileJakewassleeping,whatdidhisbrotherdo?WhileJakewassle

8、epingHisbrotherplayedbasketball.Jakewassleeping