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9BUnit2GreatpeopleGrammarPartAonP26对比：一般现在时Simplepresent现在进行时Presentcontinuous一般现在时：表示主语经常性和习惯性的动作或目前存在的状态，也表示客观的自然现象。现在进行时：表示说话时正在进行的动作，也表示目前或现阶段一直进行的动作。eg:Sheoftendoesherhomeworkintheevening.她经常在晚上做作业。Sheisdoingherhomeworknow.现在她正在做作业。1.一般现在时(1)be动词的一般现在时形式：is,am,are(2)其他实义动词的一般现在时形式：动词原形或第三人称单数形式2.现在进行时be动词(am/is/are+动词的ing形式（现在分词）主语是第三人称单数时,行为动词的变化规则如下:1.一般动词在词尾加-s,如:helps,makes,gets,swims,knows,plays等.2.以s,x,ch,sh,或o结尾的动词在词尾加-es,如dresses,washes,catches,does等.3.以辅音字母+y结尾的动词,先变y为i,再加-es,如fly---flies,study---studies等.动词+ing的变化规则如下:1.一般动词在词尾加-ing,如:helping,playing等.2.以不发音的e结尾的动词-e+ing,如drive—driving,make--making等.3.以重读闭音节结尾的动词,双写尾字母再加ing,如get—getting;stop---stopping等.4.以ie结尾的动词，去掉ie+ying.1.一般现在时的时间状语主要有：always,usually,sometimes,never,everyday,onSundays,inthemorning/afternoon/evening等2.现在进行时的时间状语主要有：now,rightnow,atpresent,atthemoment有时句首有Look!Listen!或It’s+时刻;Whereissb?Exercise1.Who___overtherenow?A.singingB.aresingC.issingingD.sing2.It’seighto’clock.Thestudents___anEnglishclass.A.haveB.havingC.ishavingD.arehaving3.Listen!Thebaby_____inthenextroom.A.cryingB.criedC.iscryingD.cries4.Look!Thetwins_____newsweaters.A.arewearingB.wearingC.arewearD.iswearing5.Don’ttalkhere.Grandparents_____.A.issleepingB.aresleepingC.sleepingD.sleep6.Tomisaworker.He___inafactory.Hissisters____inahospital.A.work/workB.works/workC.work/works7.Who_____Englishbestinyourclass?A.speakB.speaksC.speaking8.MrsRead_____thewindowseveryday.A.iscleaningB.cleanC.cleans9.We_____musicandoften_____tomusic.A.like/listenB.likes/listensC.like/arelistening10.She_____upatsixinthemorning.A.getB.getsC.getting11.OnSundayhesometimes_____hisclothesandsometimes_____someshopping.A.wash/doB.iswashing/isdoingC.washes/does12.Thetwinsusually_____milkandbreadforbreakfast,butJim_____somecoffeeforit.A.have/haveB.have/hasC.has/haveI(1)_______(have)adayoutwithmyclassmatesthisSaturday,soI(2)____(need)apairoftrainers.Mum(3)_________(shop)onlineformenow.Sheoften(4)_____(shop)online.Dad(5)__________(search)forinformationontheInternet.He(6)_______(visit)Japannextweek.Grandpa(7)________(read)thenewspaperandGrandma(8)_________(watch)TV.I(9)_____(want)towriteanemailtoWendybeforeI(10)____(go)tobed.willhaveneedisshoppingshopsissearchingwillvisitisreadingiswatchingwantgoFinishexercisesonP26.区别一般过去时过去进行时概念形式结构否定句、疑问句结构用法PartB:Discussion:一般过去时VS过去进行时概念上的区别1．一般过去时的概念为：过去发生的动作或存在的状态；如：Twomonthsago,IflewtoLondonwithmyfriend.两个月前，我和我的朋友一起坐飞机去了伦敦。Iwenthomebybusyesterday.昨天我是坐公交车回家的。2．过去进行时的概念为：表示过去某个时刻正在发生的动作。过去同一时间里同时发生的的动作或在过去某个时间段内持续发生的动作或存在的状态。如：IwaswatchingTVfrom7p.mto8p.m.lastnight.昨晚七点到八点我在看电视。Shewasreadingwhilehermotherwastalkingonthephone.当她妈妈在打电话的时候，她在看书。形式结构上的区别1．一般过去时的形式结构为：主语＋动词的过去式＋其它。如：Theywerefreethedaybeforeyesterday,butwewerebusy．前天他们很闲，而我们却很忙。Igotupat6:30yesterday．昨天我是六点半起床的。2．过去进行时的形式结构为：主语＋was／were＋动词的现在分词＋其它。如：Whatwereyoudoingthistimeyesterday﹖昨天的这个时候你在做什么？Hewasdrawinganelephantontheblackboardwhentheteachercamein．当老师进来时，他正在黑板上画一头大象。否定句、疑问句结构上的区别1．一般过去时的否定句、疑问句多是借助助动词did来体现的(be的疑问句和否定句除外)，需要注意的是：此时实义动词应用原形。如：HeworkedinBeijinglastyear．否定句：Hedidn‘tworkinBeijinglastyear．疑问句：DidheworkinBeijinglastyear﹖反意疑问句：HeworkedinBeijinglastyear,didn’the﹖2．过去进行时的否定句、疑问句多是借助系动词was或were来体现的(和动词be一般过去时的疑问句和否定句一样)。如：Hewasworkingintheparkateightyesterdaymorning．否定句：Hewasn’tworkingintheparkateightyesterdaymorning．疑问句：Washeworkingintheparkateightyesterdaymorning﹖反意疑问句：Hewasworkingintheparkateightyesterdaymorning,wasn’the﹖用法上的区别1．过去进行时往往表示动作的未完成性，而一般过去时往往表示动作已完成。试比较：Davidwrotealettertohisfatherlastnight．大卫昨晚给他父亲写了一封信。(信写完了。)Davidwaswritingalettertohisfatherlastnight．大卫昨晚正在给他父亲写信。(指信在写的过程中，不一定写完。)3．一般说来，过去进行时侧重动作持续时间的长度；而一般过去时只说明过去某时发生某事，侧重说明事实。试比较：Itwasrainingheavilylastnight．昨晚下着大雨。(侧重说明下雨持续的时间长。)Itrainedheavilylastnight．昨天下了大雨。(侧重说明下雨这一事实。)4．在带有allnight,thewholemorning等强调时间长度的状语时，句中谓语动词用过去进行时更好些。如：HewasworkingallnightlastMonday．上周一他整整工作了一个晚上。Simon:I(1)____________(watch)awonderfulfootballmatchfrom7p.m.to8:30p.m.yesterday.Myfavoriteteam(2)_____(win)thematch.Millie:I(3)__________(write)anemailtoWendyat7p.m.yesterday.She(4)____(send)meanemaillastweek.Sandy:I(5)_____________(practise)playingthepianothewholenight.I(6)____(take)partinacompetitionthismorning.waswatchingwonwaswritingsentwaspractisingtookPeter:Lastnight,I(7)______(find)awebsiteabouttravellinginspace.I(8)___________(read)passagesonthewebsitewhileyou(9)___________(play)thepiano,Sandy.Daniel:I(10)__________(talk)toAuntJaneonthephoneat7:30yesterdayevening.She(11)______(call)methedaybeforeyesterday,butI(12)_______(benot)athomethen.foundwasreadingwereplayingwastalkingcalledwasnotn.章节，乐段PartC一般过去时与现在完成时的区别1.概念不同：一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时强调过去的事情对现在的影响或结果。例如：Wearegoodfriends(现在情况)我们是好朋友。Igottoknowhimin2005.(过去的动作)我在2005年认识（结识）他Wehaveknowneachothersince2005.(现在完成时把过去的动作和现在联系起来并着眼于现在)自从2005年来我们就相互认识。Lindahasabighouse.(现在情况)Sheboughtthehousetenyearsago.(过去的动作)Shehasownedthehousefortenyears.Shehaslivedinthehousefortenyears.(现在完成时把过去的动作和现在联系起来并着眼于现在)2.时间状语不同：一般过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。•一般过去时的时间状语：yesterday，lastweek，…