授课 课件：时间状语从句

制作人：郭立年时间：2014年3月用一个句子充当状语成分，那个句子就是状语从句。Talkingabout:我们目前一共学习了哪几种状语从句？状语从句分类1.表示时间2.表示地点3.表示原因4.表示结果5.表示目的6.表示条件7.表示让步8.表示比较Whenhecomes,Iwillgivehimagift.youcanstaywhereyouare!Sinceeveryoneishere,let'sbeginourclass.Heissokindthatallofuslikehimverymuch.IgotupearlysothatIcouldgetthereearlier.wewillgoshoppingunlessitrainstomorrow.Thoughyoutriedyourbest,youdidn'tpasstheexam.Ican'tstudyascarefullyashedoes.（三个必须：必须是个句子；必须有引导词；必须为陈述句）表示时间的状语从句一、时间状语从句•When(当。的时候）,as（一边。。）,while（当。。。就•在。。的时候，然而。。）•before（在。之前）,after（在。。之后）,•till,Until（直到。。）,•assoonas（一。就。）,•since（自。。以来）bythetime（到。。为止）•themoment（一...就）......等。hardly...when...••课后作业exercises前后时态的一致性练习。when用法：1，春天来临的时候万物开始复苏Whenspring_____(come),everything____(begin)tocomeout.2，当暑假到来时，我要去看望王叔叔。Whensummerholiday____(come),I____(go)tovisituncleWang.3，他们完成了工作就立刻出去了。Whenthey_____(finish)thework,they___(go)outatonce.4，当我到达电影院时，电影已经开始了。WhenI___(arrive)atthecinema,thefilm____(begin)already.5，昨天我到家时，妈妈在做饭。（电影开始在到那儿之前发生）WhenI___(get)homeyesterday,mom___(do)somecooking.summary：条件：when从句主句：comesbeginscomeswill/cango（主将从现）finishedwentgotwasdoingarrivedhadbegun动作状态表示客观事实真理时表示主从句将要发生的动作：当动作表示前后紧接发生：当一个动作发生在另一个之前时：一动作结束时另一个动作在进行：一般现在时用一般现在时主将从现一般将来时一般过去时用一般过去时过去完成时（可以互换）过去进行时主从句的动作未发生的情况：主从句的动作发生了的情况：主从句的动作一个发生另一个将要发生的情况：｝﹜动作未发生动作发生了用一般过去时过去将来时Exercises：1，当寒假假到来时，我要去长城。Whensummerholiday____(come),I____(go)totheGreatWall.2，我们完成了工作就立刻回家了。Whenwe_____(finish)thework,we___(go)homeatonce.3，当春天来临的时候一切都开始变绿。Whenspring_____(come),everything____(begin)toturngreen.4，昨天我到家时，妈妈在洗衣服。WhenI___(get)homeyesterday,mom___(do)somewashing.5，当我到达剧院时，戏剧早就开始了。WhenI___(arrive)atthetheatre,theplay____(begin)already.comesbeginscomeswill/cangofinishedwentgotwasdoingarrivedhadbegun•注意几点：•一、when/while的区别•2.when+短暂性动词(或延续性动词)•while+延续性动词•(1)Hewasdoinghishomework______Isawhim.•(2)________shewassinging,wealllostourselvesinher•beautifulvoice.•(3)Shewascooking_______someoneknockedatthedoor.•3.进行时+while+进行时•Shewasdancing_________Iwassinging,andweplayed•thewholenight.(然而）whenwhile/whenwhenwhile后接时间点，表示：自.....以来到现在。用于时间状语从句常用于完成时态中。。主句常需要一种延续性状态。自新学期开始我们就来这儿了。(newtermbegin)_______________________________________________________________________________________________(用过去时表达）_______________________________(itis+时间段+since+过去时）Wehavebeenheresincethenewtermbegan.since的用法：我家的小狗两年前死了。Mydogdied(wasdead)2yearsago.Itis2yearssincemydogdied.before/after在...之前/在...之后；若主从句的动作都未发生则要符合主将从现特征等，若主从句的动作都已结束，则要判断动作的先后顺序，并列或紧接发生的都用过去时，若强调先发生的则用过去完成时如：我做完作业之后就出去了我是做完作业后才出去的。AfterIfinishedmyhomework,Iwentout.AfterIhadfinishedmyhomework,Iwentout./BeforeIwentoutIhad....二…until…“直到”…not…until…直到。。。才。。。他一直等到12点Hewaiteduntilitwas12o’clock.我直到12点才回家Ididn’tgohomeuntilitwas12o’clock.Summary：延续动词用于...until句型中：一直延续到until结束。非延续性动词用于not...until中，直到until时刻才开始发生。(而且还可以跟：before/after等转换）Exercise：1，昨晚我直到父亲回来我上床睡觉。————————————————————————————————————————————————2，上周五我一直工作到下午5：00Ididn'tgotobeduntilmyfathercamebacklastnight.Ididn'tgotobedbeforemyfathercamebacklastnight.Iwenttobedaftermyfathercamebacklastnight.LastFridayafternoon,Ikeptworkinguntilfiveo'clock.Gamessummary•单项选择•()1.We’llgiveherthebookwhenwe___hertomorrow.•AseeB.willseeC.seeingD.isseeing•(.)2.—TomorrowwillbeFather’sDay.Whatwillyoudoforyourfather?•--I’llsay“Iloveyou,Daddy”assoonashe___up.•A.willwakeB.wakesC.iswakingD.woke•()3.Heslept___hewaslisteningtomusiclastnight.•A.whenB.beforeC.afterD.while()4.Tom__believeituntilhe___itwithhisowneyes.A.not...sawB.won't...willseeC.didn't...seeD.won't...sees()5.Hewasstillworkingonhisprojectwhileotherpeople___arest.A.werehavingB.arehavingC.willhaveD.have()6.DoyouknowwhenJim__?Pleaseletmeknowwhenhe___.A.comes;comesB.willcome;comesC.willcome;willcomeD.comes;willcome()7.Youshouldn'tgiveup___yourdreamcometrue!A.afterB.untilC.whileD.sinceABDDABBhomeworklookatyourpaper!()8.Youshouldfinishyourlessons____yougoouttoplay.A.beforeB.afterC.whenD.while()9..Johnfellasleep____hewaslisteningtothemusic.A.afterB.beforeC.whileD.assoonas()10.Greatchangeshavetakenplace__wecametothiscity.A.whenB.untilC.sinceD.as翻译：1.当我到达学校时，我意识到我把书包忘家里了。WhenI___totheschool,IrealizedI______mybagathome.2.在我读完书之后我才上床睡觉了。I___gotobeduntilI____readingmybooklastnight.___Ihad____readingmybook,I___tobedlastnight.3.请你一到达机场就要给我打电话好吗？Couldyouplease___meassoonasyou____attheairport.4.我在玩电脑游戏的时候，我父亲突然来了。____I______computergames,myfather____.5.自我们来这儿以来已经有两年多了It___over5yearssincewe____here.gothadleftdidn'tfinishedAfterfinishedwentcallarriveWhilewasplayingcameiscamehomeworkEverynight,__soon__myfathergoout,I____thecomputergames.SoI____gotobed___itwas12o'clocklastnight.Thenthenextmoring,___Iwassleeping,myalarmclock___meup.___Iputonmyclothes,Ihurriedtoshoolwithoutbreakfast.Ihadn'tseenanyoneontheroad___Ileftmyhome.IwassoworriedthatIwasbadlyhurt___Irodethebike.___Igottotheschool,Iwastiredout.but___Isawthelockofthegate,IremembereditwasSundaythatday!Folowthepicturesusing:when...before...after...since...assoonas...until...asaswillplaydidn'tuntilwhilewokeAftersinceabeforewhenexercisessummary1，掌握时间状语从句几个常用连词的用法。2，Makethesamearti