《英语人教版八年级下册unit 5grammar focus.ppt》由会员分享,可在线阅读,更多相关《英语人教版八年级下册unit 5grammar focus.ppt(48页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit5GrammarfocusWhatwereyoudoingat9oclocklastnight?Iwasdoingsomehousework.Iwashavingdinner.Askandanswer.Whatwereyoudoingbetween7oclockand9oclockyesterday?Iwasdoingmyhomework.IwaswatchingTV.WhatwasTomdoingatthattimelastSunday?Hewasplayingthepiano.Hewasridingabike.HowaboutDavid?Whatweretheydoingattha
2、ttimelastweek?Theywereshopping.Howaboutthem?Theywerehavingapicnic.(过去进行时过去进行时)过去进行时表示过去某一时刻或某段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。过去进行时由时间正在进行的动作。过去进行时由was/were+动词动词-ing形式形式构成。构成。1.过去进行时的各种句式过去进行时的各种句式:肯定句肯定句:主语主语+was/were+动词动词-ing形式形式否定句否定句:主语主语+was/were+not+动词动词-ing形式形式Iwasreadingatthistimeyesterday.昨天这个时候我
3、正在看书。昨天这个时候我正在看书。Iwasntreadingatthistimeyesterday.昨天这个时候我没在看书。昨天这个时候我没在看书。疑问句疑问句:(1)一般疑问句一般疑问句:was/were+主语主语+动词动词-ing形式。肯定回答形式。肯定回答:Yes,主语主语+was/were.否否定回答定回答:No,主语主语+wasnt/werent.如:如:Wereyoureadingatthistimeyesterday?昨天这个时候你在看书吗?昨天这个时候你在看书吗?Yes,Iwas./No,Iwasnt.是的是的,我在看。我在看。/不不,我没在看。我没在看。(2)特殊疑问句特殊疑
4、问句:疑问词疑问词+was/were+主语主语+动词动词-ing形式。如:形式。如:Whatwereyoudoingatthistimeyesterday?昨天这个时候你在做什么?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?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表示过去某一时刻或某一段时间内正在进行的动作行的动作,常与时间状语常与时间状语atthattime,atthatmoment,atthistimeyesterday,attenoclockyesterday等连用。如:等连用
5、。如:2.过去进行时的用法基本用法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过去进行时与一般过去时的区别试比较试比较:Ididmyhomeworkyesterdayev
6、ening.我昨天晚上写作业。(可能写完了)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)我昨天晚上一直在写作业。(可能没写完)Underlinethecorrectformoftheverbs.1.Suddenly,allthelightsinmyhousewere going off/went off.Therewasheavyrainoutside.2.-Icalledyouupatsevenoclocklastnight,butnobodyansweredit.-Really?Imsorry
7、,butIwas teaching/taughtapianolessonatschool.3.-Iwas seeing/sawyouandTominthelibraryjustnow.-Oh,weshowed/were showingseveralvisitorsaroundtheschool.4cWhatwereyoudoingatthesetimeslastSunday?Fillinthechart.Thenaskyourpartner.YouYourpartner9:00a.m.11:30a.m.4:00p.m.9:00p.m.Whatweretheydoingwhenitbeganto
8、rain?Theywereplayingcomputergameswhenitbegantorain.Theywereplayingchesswhenitbegantorain.Theywereplayingfootballwhenitbegantorain.WhileJakewassleeping,whatdidhisbrotherdo?WhileJakewassleepingHisbrotherplayedbasketball.Jakewassleepingwhenhisbrotherplayedbasketball.Whiletheyweredancing,thetelephoneran
9、g.Whenthetelephonerang,theyweredancing.Whiletheyweredancing,whathappened?Hewassingingwhenthebabystartedtocry.Whilehewassinging,thebabystartedtocry.Whilehewaswalking,ataxicame.Hewaswalkingwhenataxicame.Bothofthemmean“当当的时的时候候”.Aretheythesame?No!when and whilewhenwhen引导的时间状语从句可以表示一个时间引导的时间状语从句可以表示一个时间
10、点点,也可以表示一个时间段。从句中可以用短也可以表示一个时间段。从句中可以用短暂性动词,也可以用延续性动词。暂性动词,也可以用延续性动词。lItwassnowingwhenwegottotheairport.我们到达机场时,我们到达机场时,天正下着雪。天正下着雪。lMykeydroppedonthegroundwhenIwaswalkinginthepark.我在公园散步时,我在公园散步时,钥匙掉在了地上。钥匙掉在了地上。while引导的时间状语从句常指一个时间段引导的时间状语从句常指一个时间段,从句中的动词常为从句中的动词常为延续性延续性的。的。while有时还有时还可表示主句的动作与从句的
11、动作同时发生。可表示主句的动作与从句的动作同时发生。lWhilehewasreading,thephonerang.他正在看书时,电话铃响了。他正在看书时,电话铃响了。lSomestudentswerereadingwhileotherswerewriting.一些学生在读书,另一些学生在写字。一些学生在读书,另一些学生在写字。while1)若从句是一个若从句是一个短暂性动作短暂性动作,主句是一个,主句是一个持续性动作持续性动作,可用,可用when但不用但不用while:Itwasraininghardwhenwearrived.我们到达时正下着大雨。我们到达时正下着大雨。2)表示主、从句正在
12、进行的动作或状态的表示主、从句正在进行的动作或状态的对比时多用对比时多用while:Whileshewasmakingaphonecall,Iwaswritingaletter.4:when与与while的区别的区别3)when可用作并列连词,表示可用作并列连词,表示“这时这时(突然突然)”,但,但while不可以;不可以;while可以用作并列连可以用作并列连词,表示词,表示“而、却而、却”(表示对比表示对比),但,但when没有这种用法。没有这种用法。Wewereabouttostartwhenitbegantorain.Helikescoffee,whileshelikestea.4aL
13、ookatthetableandwritesentenceswithbothwhileandwhen.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse./JohnwasplayingthepianowhenMaryleftthehouse.WhileJohnwascleaninghisroom,Maryturnedontheradio./JohnwascleaninghisroomwhenMa
14、ryturnedontheradio.WhileJohnwasshopping,Marytookthecartothecarwash./JohnwasshoppingwhenMarytookthecartothecarwash.用用when或或while填空填空1.Whatwereyoudoing_theearthquakehappened?2._Iwasshoppinginthesupermarket,ImetmyfriendNancy.whenWhile3.Iwassleeping_mycousincametoseeme.4.Mymotherwasdoingthehousework_Iwa
15、sdoingmyhomework.5._thealienwasintheshop,thegirlcalledthepolice.whenwhileWhileTranslate these sentences into English.1.上课铃响时,你在干什么?上课铃响时,你在干什么?What_you_whentheclassbellrang?2.当我妈妈进来时我正在看书。当我妈妈进来时我正在看书。I_whenmymothercamein.3.昨天晚上十点钟她正在做饭。昨天晚上十点钟她正在做饭。She_attenoclock_.weredoingwasreadingwascookinglast
16、night/yesterdayevening4.当天当天开始下雨时开始下雨时,孩子们孩子们正在玩游戏正在玩游戏。Thechildren_gameswhenit_torain.5.当我当我进来时进来时,那只猫那只猫逃跑了逃跑了。Thecat_whenI_.wereplaying beganranawaycamein 6.飞机在飞机在伦敦着陆时伦敦着陆时,天天正下着雨正下着雨。It_whentheplane_inLondon.7.电话电话铃响的时候铃响的时候,我我正在吃早饭正在吃早饭。I_breakfastwhenthetelephone_.8.琳达睡觉时琳达睡觉时发生了什么事发生了什么事?_wh
17、ileLindawassleeping?wasraininglandedwashaving rangWhathappened4bFillintheblankswithwas,were,when orwhile.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._wegottotheplaceoftheacci
18、dent,thecar_whilewaswasWhileWhenwasinbadshapefromhittingatree.Butluckily,thedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.waswere(2011邵阳邵阳)Wedidntgohome_theoldmanwassenttothehospital.A.untilB.whenC.while(2011梧州梧州)ImetagoodfriendofminewhileI_onthestreetA.walksB.walkC.waswalkingD.amw
19、alkingAC()1.MybrothercamebackhomewhileI_homework.(2010四川省内江市四川省内江市)A.amdoingB.weredoingC.wasdoingC中考链接中考链接()2.I_thecharityshowonTVwhenthetelephonerang.(2010江苏省宿迁市江苏省宿迁市)A.watchB.watchedC.amwatchingD.waswatchingD()3.It_heavilywhenIleftthecinema.(2010北京市北京市)A.rainsB.willrainC.israiningD.wasrainingD()4
20、.WhenIcamebackyesterdayevening,mybrother_hishomework.(2011湖湖南长沙南长沙)AisdoingB.hasdoneC.wasdoingC()5.IwasveryangrywithJohnhejust_whenIspoketohim.(2011江江苏徐州苏徐州)A.isntlisteningB.hasntlistenedC.didntlistenD.wasntlisteningD()6.ImetagoodfriendofminewhileI_onthestreet.(2011梧州梧州)A.walksB.walkC.waswalkingD.am
21、walkingC()7.MrsWhite_dinnerwhenhersoncamehome.(2011浙江衢州浙江衢州)A.iscookingB.wascookingC.arecookingD.werecookingB()8.I_whentheUFOlanded.(2011四川宜宾四川宜宾)A.amwatchingTVB.waswatchingTVC.havewatchedTVD.watchedTVB()9.Jenny_inthekitchenwhenyoucalledherat5oclockthisafternoon.(2012广广东东)A.iscooking B.wascookingC.c
22、ooksD.CookedB()10.Iwasatthecinemaatnineoclockyesterdayevening.Whataboutyou?I_TVathome.(2012贵州铜仁贵州铜仁)A.amwatching B.waswatchingC.willwatchD.watchedB()11.Sam,whatwilltheweatherbeliketomorrow?Sorry,Mum.Ididntwatchtheweatherforecastjustnow.I_afootballmatch.(2013浙江衢州浙江衢州)A.waswatchingB.amwatchingC.wouldw
23、atchD.willwatchA()12.WhenJimsmothercamein,he_hishomework.(2013湖南长沙湖南长沙)A.isdoingB.hasdoneC.wasdoingC()13.WasKateatthepartylastnight?Yes,she_areallynicedress.(2013江江苏盐城苏盐城)A.iswearingB.waswearingC.wouldwearD.haswornB()14.Mr.Li_toMarycarefullywhenIenteredtheclassroomthismorning.Heisverypatient_heisyou
24、ng.(2013广东梅州广东梅州)A.talking;butB.wastalking;thoughC.talks;thoughD.talked;howeverB()15.Millie_apicturewhenMrGreencamein.(2013江苏徐州江苏徐州)A.drawB.willdrawC.drewD.wasdrawing()16.What_you_whenthecaptaincamein?(2013黑龙江齐齐哈尔黑龙江齐齐哈尔)A.are;doingB.did;doC.were;doingDCTranslationTranslatethefollowingsentencesintoE
25、nglish.1.当开始下雨的当开始下雨的时时候,我正和朋友候,我正和朋友们们在操在操场场上打上打篮篮球。球。Iwasplayingbasketballwithmyfriendsintheplaygroundwhenitstartedtorain.2.我当时甚至不知道我正在做什么。我当时甚至不知道我正在做什么。IdidnotevenknowwhatIwasdoingatthattime.3.当我当我妈妈妈妈在做晚在做晚饭饭的的时时候,我在卧室做作候,我在卧室做作业业。Iwasdoingmyhomeworkinthebedroomwhilemymotherwascookingsupper.4.当我今天早上看到她当我今天早上看到她时时,她正急匆匆地赶,她正急匆匆地赶去上班。去上班。WhenIsawherthismorning,shewasinagreathurrytogotowork.