还剩2页未读,继续阅读
文本内容:
时间状语从句常用引导词whenwhileasassoonasbeforeaftertill/untilsince
1、whenwhileas
(1)三者均可表示“当……时候”,如果主句表示的是短暂的动作,而从句表示的是一段时间,三者可通用如ImetKangLiwhile/when/asIwaswalkingalongthestreet.当我沿街散步时碰见了康丽Don’tmakeanynoisewhile/when/asIamrecording.我录音时(你们)别发出声音
(2)while1)while只能与持续性动词连用,且常用进行时态表示主句的行为在从句行为进行的过程中发生如WhiletheywerecrossingtheAtlanticmanypeopledied.他们中的很多人在横渡大西洋时丧生了2)表示主句和从句的动作同时发生如WhilethewifewascookingthehusbandwaswatchingTV.妻子在做饭的时候,丈夫在看电视3)表示“然而”,主句和从句是两个对应的动作如LucylikesdancingwhileLilylikesdoingsports.露西喜欢跳舞而莉莉喜欢运动
(3)when1)when既可以和持续性动作连用,也可以和瞬间性动作连用,主句与从句描述的动作既可以同时发生,也可以先后发生如Whentheweatherisfinemanypeoplegooutforawalk.天气好时,很多人都出去散步WhenIgothomeIfoundmybabygirlsinginginthesittingroom.我到家时,发现我的小女儿正在客厅里唱歌2)表示“某人正在做某事,突然……”,主句用过去进行时,从句用一般过去时,表示一个动作正在进行的时候,另一个动作(突然)发生了,强调后一动作发生的突然性如Weweretalkingwhentheteachercamein.我们正在讲话,老师(突然)进来了试比较Whileweweretalkingtheteachercamein.我们正在讲话的时候,老师进来了(不强调突然性)3)表示“某人正要做某事,就在这时……”,主句用过去将来时,从句用一般过去时如Iwasleavingwhensomebodytouchedmyshoulder.我正要离开,就在此时有人碰了一下我的肩膀
(4)asas与when用法相似,但着重强调主句动作与从句动作同时发生,有“随着……”或“一边……一边……”之意如Asyougetolderyougetmoreknowledge.随着年龄的增长,你获得的知识就越多Theysingastheywalk.他们一边走一边唱练习
(一)用whenwhileas填空
1.Iwaslookingoutofthewindow________theteacheraskedme.
2.Whatishedoing________hisparentscameback
3.Mikewasplayinggames________Jackwasstudying.
4.Iwasabouttofallasleep________thebabybegantocry.
5.________thechildrenwalkedalongthelaketheysanghappily.
6.Someonesteppedonmytoes________Iwaswaitingforthebus.
7.________shegrewoldershebecamemoreresponsible.
(二)单项选择
1.WhenIgottothefactorytheworkers_____aboutthefilm.A.aretalkingB.talkedC.weretalkingD.havetalked
2.I_____aletterwhenmymothercamein.A.writeB.amwritingC.waswritingD.havewritten
3.Mymother_____whilemyfather_____TV.A.cooks;waswatchingB.wascooking;waswatching;C.wascooked;watchedD.cooked;watched
4.Theyweresleeping_____theyheardaman_____“help”.A.when;shoutingB.while;toshoutC.when;toshoutD.while;shouting
2、assoonas表示“一……就……”,强调动作紧密相连如Webegantoworkassoonaswegotthere.我们一到那儿就开始工作了Wealwaysgosomewhereinterestingassoonastheholidaybegins.假期一开始,我们就会去某个好玩的地方IwillwritetoyouassoonasIarrivethere.我一到那里就会给你写信(主将从现)
3、beforeafterbefore表示“在……之前”,after表示“在……之后”如Beforewebegindinnermyfathergivesthanksforthefood.吃饭前,我父亲会表达感激之情MothersometimespreparesdinnerafterIebackfromschool.妈妈有时在我放学回家后才准备晚饭
4、until/tilluntil表示动作或状态一直持续到某一时刻,即“直到……”如Iwillwaituntil/tillyoufinishallthework.我会等到你完成所有的工作(主将从现)主句用肯定句时,主句动作为持续性动作;主句用否定句时,主句动作为瞬间性动作,常用搭配not...until“直到……才……”如Hewaiteduntilalltheguestsleft.他一直等到所有客人都走了Theboydidn’tgotosleepuntilhismothercamebacklastnight.昨晚那个小男孩直到他妈妈回来才去睡觉
5、sincesince引导的时间状语从句常与完成时连用,表示“自从……”,而since从句部分用一般过去时如IhaveknownBillsincehewasborn.从比尔出生起,我就认识他Hehasstudiedveryhardsincehecametoourschool.自从来到我们学校,他学习就非常努力练习
(一)在下列各句的空格中填入适当的连词
1.________hewasspeakingeverybodylistenedcarefully.
2.Haveagoodlookatthatman________youpasshim.
3.Henryisinchargeoftheoffice________Mr.Smithisaway.
4.Itwasalreadyeighto’clock________wegotthere.
5.Iwasabouttogoout________avisitorcame.
6.HelearnedtospeakGerman________hewasinBerlin.
7.Iwaited________hecameback.
8.HehadlearnedChinese________hecametoChina.
9.________theworkwasdonewesatdowntosumupexperience.
10.Ihaven’tseenhim________hemovedtotheothersideofthetown.
11.Shelikeseverythingtobeinplace________shestartstowork.
12.Thethievesranaway________theycaughtsightofthepolice.
13.Theydecidedtogobackhome________theirmoneyranout.
14.________IgettotheairportIwillphoneyoutopickmeup.
15.Theywereabouttoleave________itbegantorain.
16.Healwaysstayinbed________lunchtime.
17.Ilikeplayingtennis________myyoungersisterpreferswatchingballgames.。