Grammar.ppt

1、Unit8,Unit8Naturaldisasters,Tom,play,football.,is,ing,Lucy,is,read,abook.,ing,WhatisTomdoing?,WhatisLucydoing?,Presentcontinuoustensebe(am/is/are)+verb-ing,现在进行时,Tom,play,football.,was,ing,Lucy,was,read,abook.,ing,WhatwasTomdoingatthatmoment?,WhatwasLucydoingat2:30p.m.yesterday?,They,watching,TVfrom

2、6to8.,were,Thetwins,think,were,ing.,Whatweretheydoingfrom6to8lastnight?,Whatwerethetwinsdoingatthistimeyesterday?,Whatweretheydoing?,Theywereplayingbasketball,atthistimelastSunday.,Hewasdrinkingmilk,atthistimeyesterday.,atthattime.,Shewasplayingcomputergames,from10to11yesterdaymorning.,Hewasreadingn

3、ewspaper,Theyweredoingmorningexercisesat9:05yesterdaymorning.,TheywereplayingbasketballatthistimelastSunday.,Hewasdrinkingmilkatthistimeyesterday.,Canyouworkouttherule?,Shewasreadingnewspaperfrom10to11yesterdaymorning.,Iwasplayingcomputergamesatthattime.,Pastcontinuoustensebe(was/were)+verb-ing,过去进行

4、时,过去进行时主要表示在过去某一时刻正在进行的动作。e.g.a)Theywereeatingbreakfastat7:00amyesterday.b)Iwaswritingaletteratthistimeyesterday.c)Fiveminutesago,DannywaslookingoutofthewindowandSuzywasreadingabook.,2.在过去某段时间一直在进行的动作e.g.a)From1983to1998,hewasteachingatYale.b)Theywerebuildingadamlastwinter.,Makesentences.,1.at9ocloc

5、klastSunday2.atthistimeyesterday3.from7a.m.to6p.m.lastMonday4.atthattime5.from9to10lastnight,watchTVreadbookspractiseswimmingwatchtheparademakecakes,过去进行时的句式1)基本结构：was/were+V-ing2)肯定句:主语+was/were+V-ing3)否定句：was/werenot+V-ingwasnot=wasntwerenot=werent,4)疑问句：将was/were移到主语前5)特殊疑问句：疑问词+was/were+主语+V-ing

6、?,Wasshetalkingatthattime?No,shewasnottalkingatthattime.,No,theywerenotlearningEnglish.,WeretheylearningEnglish?,过去进行时表示在过去某一时刻或某一段时间内正在进行或发生的动作。形式为was/were+v-ing。常与表示过去的时间状语连用，如：lastnight,lastSaturday等；或者与when,while,as引导的过去时间状语连用。,总结,AsnowstormhitSunshineTown,AsnowstormhitSunshineTown.Mr.Wuisasking

7、thestudentsaboutit.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.,Mr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I_(read)thenewspaperthen.What_you_(do),Simon?Simon:I_(have)breakfast.Mr.Wu:Whataboutyou,Millie?,wasreading,weredoing,washaving,Millie:I_(walk)tothebussto

8、p.Sandy,Isawyouandyourparentsstandingonthesideoftheroad._you_(wait)forataxi?Sandy:Yes.Mydadscarbrokedownbecauseofthecoldweather.He_(ring)someonetocomeandhelpwhenyousawme.,waswalking,Were,waiting,wasringing,Lookatthepicturesandanswerthequestions.,Whatwastherabbitdoingjustnow?Whatwasthepigdoingjustnow

9、?,Hewasjumpingjustnow.,Hewasdancingjustnow.,Therabbitwasjumpingwhilethepigwasdancing.,Thewormwaseatingwhilethedogwasreading.,Twolongactionswentonatthesametime.,Wewereclappingourhandswhiletheteacherswerewalkingacrossthepark.,Therabbitwasjumpingwhilethepigwasdancing.Thewormwaseatingwhilethedogwasreadi

10、ng.,Whilethepigwasdancing,therabbitwasjumping.,Whilethedogwasreading,thewormwaseating.,while,whenandas都表示“当的时候”。e.g.Iwassleepingwhentheearthquakestarted.Peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.AsIwastryingtofindmywayout,Isuddenlyheardsomenoiseaboveme.,Usingwhile,wh

11、enandas.,1.当连接同时发生的两个延续性长动作时，常用while引导。e.g.WhileIwaswatchingTV,hewaslisteningtomusic.MilliewasreadingabookwhileEddiewassleeping.,2.如果短暂性的动作是主句时，我们可以用when,while或as引导。e.g.When/while/asMilliewaswatchingTV,Andycameintotheroom.3.如果延续性的动作是主句时，我们经常用when来连接。e.g.MilliewaswatchingTVwhenAndycameintotheroom.,4.

12、如果两个短暂性的动作同时发生，我们通常用as连接。e.g.AsMilliesatdownonthesofa,Andycameintotheroom.注：当一个短暂性动作发生的同时伴随着一个延续性的动作，这时我们通常用过去进行时来表示延续性的动作，用一般过去时来表示短暂性的动作。,Playinginthesnow,SomeClass1,Grade8studentswenttoplayinthesnow.Completethesentenceswiththecorrectformsoftheverbsinblanks.Usewhen,whileandastoconnectthesentences.

13、,_Simon_(arrive),Amy_(get)somesnowfromtheground.2._SuzyandKitty_(build)asnowman,Millie_(take)photos.3.Daniel_(fall)over_he_(make)abigsnowball.,When,arrived,fell,while/as/when,wasmaking,When/While/As,wasbuilding,wastaking,wasgetting,4.Peter_(hide)behindatree_asnowball_(hit)him.5._Millieandherclassmat

14、es_(play)inthesnow,Andy_(run)towardsthem.,wereplaying,When/While/As,ran,washiding,when,hit,1.昨天晚上迈克来的时候我正在写作业。I_myhomeworkwhenMike_lastnight.2.安正在看电视时，她父亲回来了。WhileAnn_TV,herfather_home.,wasdoing,came,waswatching,returned,Exercises,4.我去看她的时候她不是在打扫房间。She_theroomwhenI_toseeher.5.去年夏天的这个时候我正在英国度假。I_myvocationinEngland(at)thistimelastsummer.,wasntcleaning,went,wasspending,3.我敲门的时候你在干什么？WhatwereyoudoingwhenI_atthedoor?,knocked,6.Mary在跳舞，而Peter在弹钢琴。Mary_whilePeter_thepi