模块二第三单元M2U3Grammarandusagepastperfecttense过去完成时

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1、-I solved this math problem when we had PE class.-I _(work)it out before we had PE class.had workedPast perfect tense过去完成时过去完成时基本构成：基本构成：had+过去分词过去分词 The usage of the past perfectUpon their entering the tomb,Carters lucky pet bird,which he had left in Cairo,was swallowed by a snake.Carter left his l

2、ucky pet bird in Cairo.Carters lucky pet bird was swallowed by a snake.PastPresent什么时候使用过去完成时？PastPresentThe past perfect tense shows us“过去的过去过去的过去”.Past动作动作B发生在发生在过去过去(did)，动作动作A发生在动作发生在动作B之前之前，即，即“过去的过过去的过去去”，则，则动作动作A 用过去完成时用过去完成时 had done.AB主从句动作主从句动作存在先后次序。存在先后次序。1）I _(finish)my homework this mo

3、rning before I went to the museum.had finished 2)Then a few month after Carter _(open)the tomb,Lord Carnarvon _(fall)ill with a fever and died.had openedfell“We hid the entrance to the tomb,”said Carter.Carter said that _.2.常用在常用在told,said,thought,realized等动词后的等动词后的宾语从句宾语从句中，中，表示表示宾宾从从的的动作动作发生在发生在主句

4、过主句过去的动作去的动作之之前前。to the tombthey had hidden the entrance2.此动作发生在此动作发生在过去的时间点之前过去的时间点之前We _(reach)the railway station before 9oclock this morning.had reached I didnt know a thing about the verbs,for I _(study)my lesson.3.此动作发生在此动作发生在过去的语境之前过去的语境之前not studiedhad(2010安徽）安徽）-Were you surprised by the en

5、ding of the film?-No,I _the book,so I already knew the story.A.was reading B.had read C.am reading D.have readBI _(return)the book that I _(borrow).returnedhad borrowed4.如果如果主句用一般过去时主句用一般过去时，定语从句定语从句中的动作中的动作发生在主句前发生在主句前，用，用过去完成时过去完成时。【改错改错】She had found the key that she had lost.一般过去时与过去完成时的区别一般过去时与

6、过去完成时的区别He _ reading 5 novels last term.He _ reading 5 novels by the end of last term.finished finishhad finishedrunThe moment the thieves saw the police,they _ away.Before the police arrived,the thieves _ away.ranhad runHe told me that he _(be)born in 1998.He told me that he _(do)his homework so he

7、 could hang out with mewashad done如果宾语从句中有如果宾语从句中有具体的过去的时间状语具体的过去的时间状语，常用，常用一般一般过去时过去时代替代替过去完成时。过去完成时。连续发生的动作，虽然有先后之别，仍一般过去连续发生的动作，虽然有先后之别，仍一般过去时。时。The old lady got off the bus,walked across the street,and _(enter)a bank.entered Another amazing personAmelia Earhart Page 49She is the first woman to f

8、ly across the Atlantic Ocean alone.Amelia Earhart was born in 1._.Most American girls at the beginning of the twentieth century were taught to 2._ quietly and speak softly.They were not permitted to play ball or climb trees.Those activities were considered 3._ for boys.They were considered 4._ for g

9、irls.1897sitfunwrongPracticeComplete the story on Page 49.4.原应用原应用“现在完成时现在完成时”的动作在的动作在过去的背景过去的背景下下发生发生1.This is the first time I _(see)such a beautiful sunrise.This was the first time I _(see)such a beautiful sunrise.have seenhad seen2.It is the most important tomb that _ _(find).It was the most imp

10、ortant tomb that _ _(find).has beenfoundfoundhad been3.He says he _(work)in that factory since 1949.He said he _(work)in that factory since 1949.has workedhad worked4.Why do you arrive so late?I _(be)at the bus stop for 20 minutes.I _(be)at the bus stop for 20 minutes when a bus finally came.have be

11、enhad been5.动词动词think,want,hope,mean,plan,intend(打算打算)等用等用过去完成时过去完成时来来表示过去未曾实现的想法，希表示过去未曾实现的想法，希望，打算或意图等。望，打算或意图等。We _(hope)that we would get to see some other wildlife on our trip,but sadly we didnt.had hopedI meant to help you,but I was too busy at that moment.hadBy the 1920s,he had become an expl

12、orer,searching for the tombs of the Egyptian kings.6.过去完成时常用句型过去完成时常用句型Hardly had he begun to speak when the audience interrupted him.他刚开始演讲，听众就打断了他。他刚开始演讲，听众就打断了他。No sooner had he arrived than he went away again.他刚到就又走了。他刚到就又走了。By the time Jack returned home from England,his son _from college.gradu

13、atedB.has graduatedC.had graduatedD.will graduate Amelia Earhart was born on 24 July 1897.She had an exciting childhood.Before she moved to Des Moines,she _already _ her first airplane.She _ to Chicago,six years later.She worked as a nurse in the First World War and became interested in flying.She _

14、 already _ flying lessons before she bought her first plane.Then her interest in flying really began to grow.In 1929,she organized an air race for women.A year earlier,she _ the first woman air passenger to fly across the Atlantic.hadseenmovedhadtakenhad become She married George Putnam in 1931.They

15、 _ three years before when he interviewed her in New York.In 1932,she became the first woman to fly alone across the Atlantic.On 1 June 1937,she _ her round-the-world flight.The flight went well in June.She reached New Guinea on the 29th.She _ flying nearly a month earlier.When the base tried to get

16、 in touch with Amelia at 9.30 p.m.0n 2 July 1937,she _ already _ missing.had metbeganhad startedhadgoneA 和 B 结婚A marry B.A be married to B.marry她是结婚了还是单身？她是结婚了还是单身？Is she married or single?他们昨天结婚了。他们昨天结婚了。They got married yesterday.表状态表动作她与她与Robert结婚两年了。结婚两年了。She _ Robert for two years.It is two yea

17、rs since she _ Robert.Two years have passed _ she married Robert.They got married two years ago.has been married tosincemarried When the Titanic was built,people assumed it would never sink.So,when it sank on its first journey the news(1)_(surprise)everyone greatly.The Titanic was built in Belfast,I

18、reland.Its makers(2)_(spend)a great deal of money building the extraordinary ship.When it was finished,it was the largest and most comfortable ship ever built.The Titanic set sail on 10 April 1912.I(3)_(want)to set foot on the Titanic ever since it was built,said Molly Brown,a Titanic survivor.I nev

19、er imagined it would sink!On 13 April,the Titanic was sailing at full speed towards New York.surprisedspenthad wanted The captain,who(4)_(receive)warnings about icebergs all day,had dismissed the warnings as they(5)_(arrive).At 2.20 a.m.,the Titanic sank into the sea.It(6)_(hit)an iceberg just over

20、two hours before.Of the 2,208 people aboard the ship,only 705(7)_(survive).Explorer Robert Ballard(8)_(search)for the Titanic for more than 20 years before he found it.When new technology was developed,we(9)_(use)it to send cameras down into sea.Finally,we found the ship.With his cameras,he was able to find the hole along the side of the ship which(10)_(cause)it to fill with water and sink.had receivedarrivedhad hithad searchedusedhad causedsurvivedSummary:Whether to use the simple past tense or the past perfect tense depends on the sequence of the events.