Unit3sittingwithhersisterWhiteRabbitlookedatawatchwentdownalargeholewentdowntheholeintoanotherworldateapartyRetellthestoryaccordingtothepictures.Readthefollowingsentencestogether.1.Alicewassittingwithhersisterbytheriver.2.Itwassittinginatreeandsmilingateveryone.3.Theywerehavingateapartyinthegarden.4.Wherewasitgoing?Onedayshewassittingbytheriverwithabook,butshewasn’treadingit.Itwaslookingatitswatch.Whywasitrunning?Wherewasitgoing?Acatwassittinginatree.Readthefollowingsentencesandpayattentiontothetenseofthem.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。1.过去进行时的各种句式:肯定句:主语+was/were+动词-ing形式。如:否定句:主语+was/were+not+动词-ing形式。如：Iwasreadingatthistimeyesterday.昨天这个时候我正在看书。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：Whatwereyoudoingatthistimeyesterday?昨天这个时候你在做什么？WhatwashedoingalldaylastSunday?上周日一整天他都在做什么？(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？(2)表示在过去一段时间内持续进行的动作(有时也可以有间歇)。如：WewerewatchingTVfromseventoninelastnight.昨天晚上七点到九点的时候我们在看电视。Shewassingingfrom7:00to7:30lastnight.昨晚七点至七点半她在唱歌。特殊用法:1)常用于介绍故事的背景。如:2)when引导的从句表示一个短暂的时间点,谓语动词用一般过去时,主句用一般过去时或过去进行时；while引导的从句表示一段持续的时间,主句为一般过去时,从句谓语动词用过去进行时。如：OnceanArabwastravelinginthedesert.从前，有个阿拉伯人在沙漠中旅行。(3)过去进行时常与always,continually等连用,表示过去反复发生的行为动作，带有赞美、厌烦等感情色彩。如：Iwaswritingaletterwhenhecamein.当他进来时，我正在写信。Thetelephonerangwhileshewaswashing.她正在洗衣服时，电话响了。Hewascontinuallyaskingherquestions.他总是在问她问题。过去进行时肯定式主语+was/were+V-ing+其它.否定式主语+was/were+not+V-ing+其它.疑问式Was/Were+主语+V-ing+其它？Yes,主语+was/were.No,主语+was/werenot.特殊疑问词+was/were+主语+V-ing+其它？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:was/were+v.-ing过去进行时与一般过去时的区别试比较:Igotupatfivethedaybeforeyesterday.前天我是五点起床的。Hewaswritinghiscompositionlastnight.他昨晚在写作文。一般过去时的时间状语主要有：yesterday(morning,afternoon,evening),lastnight(week,month,year),ago,thedaybeforeyesterday,in2003,justnow,long,longago等过去进行时的时间状语有:atthis/thattimeyesterday,thewholeevening,alldayyesterday等。试比较:HeintroducedTomtousjustnow.刚才他向我们介绍了汤姆。Shewasdoingsomewashingalldayyesterday.昨天她洗了一整天的衣服。Underlinethecorrectformoftheverbs.1.Suddenly,allthelightsinmyhouseweregoingoff/wentoff.Therewasheavyrainoutside.2.—Icalledyouupatseveno’clocklastnight,butnobodyansweredit.—Really?I’msorry,butIwasteaching/taughtapianolessonatschool.3.—Iwasseeing/sawyouandTominthelibraryjustnow.—Oh,...
