过去进行时when和while

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1、1过去进行时的讲与练、含义：(1)过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和表过去的时间状语连用。(2)过去进行时表示感情色彩与现在进行时相似，过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩，也通常与always,forever等副词连用。e.g：Theywerealwaysquarrelling.他们老是吵架。二、过去进行时的构成和用法：肯定形式：主语+was/were+doing否定形式：主语+wasnot(wasnt)/werenot(werent)+doing疑问形式：Was/Were+主语+doing。常与之连用的时间状语有，atthattime/momen

2、t,(at)thistimeyesterday(lastnight/Sunday/week.),at+点钟+yesterday(lastnight/Sunday.),when和while引导的时间状语从句。三、when/while引导的时间状语从句 由when/while引导的时间状语从句。常用句型：a. 主句(主语+was/were+doing.when+一般过去时的句子)；表示主句动作发生的过程中，另一个意想不到的动作发生了。Weweretalkingwhentheteachercamein.=Whileweweretalking,theteachercamein.b. 主句(主语+was

3、/were+doing.while+主语+was/were+doing.)；主句与从句的动作都是延续性动词或同时发生的，两句都用过去进行时的时候，多用while引导注意：when和while的区别：都意为“当时候”，when引导的句子谓语动词用短暂性动词或延续性动词都行；但while引导的句子谓语动词只能用延续性动词，不能用短暂性动词。 when和while还可作并列连词。when表示“在那时”；while表示“而，却”，表对照关系。Thechildrenwererunningtomovethebagofricewhentheyheardthesoundofamotorbike.孩子们正要跑过

4、去搬开那袋米，这时他们听到了摩托车的声音。即动作Heislisteningtomusicwhilehisbrotherisplayingcomputer.他正在听音乐，而他弟弟却在玩电脑。开始便结束的动词，如come,go,begin,start,become,join,end,die,buy,arrive,reach,borrow,lend,gettoknow等。持续性动词，如learn,study,work,play,wait等练习：用when或者while填空。（1）wewerewaitingforthebus,agirlranuptous.（2）Iwastelephoningafrie

5、ndBobcamein.（3）Jimjumpedonthebusitwasmovingaway.(4) Shewantedtostayinbedtheotherswereworkinginthefields.(5) motherwasputtingCathytobed,thedoorbellrang.6)Hewaslisteningtomusichewasridinghisbike.(7) TheydidntmakeamodelshipIsawhim.(8) Heisstronghisbrotherisweak.四、一般过去时与过去进行时的用法比较：一般过去时表示“在过去某个时间发生的动作或存

6、在的状态”，而过去进行时则表示“在过去某个特定时间正在进行的动作”。如：Tomwrotealettertohisfriendlastnight.汤姆昨晚给他的朋友写了封信。（信写完了）Tomwaswritingalettertohisfriendlastnight.汤姆昨晚一直在给他的朋友写信。（信不一定写完，只是强调了动作的延续性）。过去进行时练习用动词的适当形式填空。1. it(rain)whenyouleftschool?2. Oneday,Edison(wait)foratraintoarrive,andsuddenlyalittleboyrantothetrack(轨道)toplay

7、.3. She(make)herdressthewholeafternoon.4. Whenwe(arrive)atthevillage,it(get)darkandit(rain)hard.5. Laterhisparentsfoundthathe(sit)onsomeeggs.6. Whenheknockedatthedoor,myaunt(cook)7. Thereweresomestudents(sing)and(dance)happilyontheplaygroundatthattime.8. I(notwrite)aletterwhenthedoorbellrang.9. Weha

8、dnoclassedatthattime.We(plant)trees.10. Ilikebasketballwhilemybrother(like)football.11. Thefarmers(work)inthefieldsyesterday.12. WesawLily(pick)applesinthefieldlastSunday.13. Whenspringcomes,thesnow(appear).二、选择题。)1.Iamealwhenyoume.A.cooked,wereringingB.wascooking,rangC.wascooking,wereringingD.cooke

9、d,rang)2.Hesaidhetodrawaplaneontheblackboardatthattime.A.triesB.triedC.wastryingD.willtry)3.WhilesheTV,sheasoundoutsidetheroom.A.waswatching,washearingB.watched,washearingC.watched,heardD.waswatching,heard)4.Theyafootballgamefrom7to9lastnight.A.werewatchingB.watchC.watchedD.arewatching)5.Whatbookyou

10、whenIyouatfouryesterdayafternoon?A.did,read,wasseeingB.did,read,sawC.were,reading,sawD.were,reading,wasseeing)6.ItwasFridayevening.MrandMrs.GreenreadytoflytoEngland.A.aregettingB.getC.weregettingD.got)7.LeiFengalwaysofotherswhenheinthearmy.A.is,thinking,wasB.was,thinking,isC.did,think,isD.was,thinki

11、ng,was)8.Agirlmypenfalloffthetablewhensheme.A.saw,passedB.wasseeing,passedC.wasseeing,passedD.wasseeing,waspassing)9.WeforTomattenlastSunday.Heoftenkeptus.A.werewaiting,waitingB.werewaiting,waitC.waited,waitingD.waited,wait)10.HehisfatheronthefarmthewholeafternoonlastSaturday.A.helpsB.wouldhelpC.was

12、helpingD.ishelping)11.Whilemothersomewashing,IakiteforKate.A.did,madeB.wasdoing,madeC.wasdoing,wasmakingD.did,wasmaking)12.“youangrythen?”“Theytoomuchnoise.”A.are,weremakingB.were,weremakingC.are,madeD.were,made)13.Hesomecookingatthattime,someA.did,heardB.did,didnthearC.wasdoing,heardD.wasdoing,didn

13、thear)14.ThistimeyesterdayJackhisbike.HeTVA.repaired,didntwatchB.wasrepairing,watchedC.repaired,watchedD.wasrepairing,wasntwatching)15.Hisparentswantedtoknowhowheonwithhisnewclassmates.A.wasgettingB.getsC.isgettingD.willget)16.Isawhimtherabbitjustnow.A.tofollowB.playsC.playing)17.Tonydownfromhisbike

14、whenherodetoschool.A.fallsB.fellC.felt)18.Whenhewasasmallchild,Ioftensawhimdown.A.fallB.fellC.felt)19.Tonywasridinghisbike,hehadanaccident.A.WhenB.WhileC.AandB)20.Theteachercameintotheroomwewerewriting.A.afterB.asC.while)21.WhenJimmyenteredtheroom,everyonehim.A.wassmilingtoB.weresmilingatC.wassmilin

15、gat)22.-Whydidntyougotothecinemawithusthatafternoon?-IatthestationformyunclefromBeijing.A.waswaitingB.havewaitedC.waited、句型转换。1. Shesawacat.Itwassittinginthetree.（改为同义句）Sheacatinthetree.2. Isawthemplayinggamesjustnow.（改为同义句）Isawthattheygamesjustnow.3. Themanwaswalkingdownthestreet.Itbegantosnow.（合并为

16、复合句）Itbegantosnowthemanwaswalkingdownthestreet.4. ItstartedtorainwhileIwasgrowingsomeflowersinthegarden.（改为同义句）Iwasgrowingsomeflowersinthegardenitstartedtorain.5. Whenmyfriendscametoseeme,Iwasdoingmyhomework.（戈U线部分提问）youwhenyourfriendscametoseeyou?四、翻译。1. 我看见一只兔子从旁边跑过。Isawarabbit.2. 当我离开的时候他正在画一幅世界地

17、图。SheamapoftheworldwhenI.3. 这个老人正痛苦地躺在地上。Theoldmanontheground.4. 那时二班的学生没在操场上踢足球，他们在打篮球。ThestudentsofClass2footballintheplaygroundandtheybasketball.5. 天，母亲下班回家的时候，约翰在写给一个朋友写信。Oneday,whenthemotherhomeafterwork,Johntoafriend.7. 昨天这个时候，一些学生在植树,一些学生在给小树浇水。Atthistimeyesterday,8. 老师走进教室的时候，学生们正在谈论当天的新闻。9. 老虎等猴子的时候，他听到一个声音。10.今天上午放学的时候在下雨吗？是的，天正下着大雨。4