过去完成时(2).ppt

The Past Perfect Tense Monica XuLead-in Whats the topic of Unit 3? Who are the amazing people we have read about in this unit? Howard Carter is a famous explorer and he discovered many amazing things. famousbraveamazing Howard CarterCan you tell me something about Howard Carter? By the 1920s, Howard Carter had become an explorer, searing for the tombs of the Egyptian kings. Upon their entering the tomb, Carters lucky pet bird, which he had left in Cairo, was swallowed by a snake. A few months after Carter had opened the tomb, Lord Carnarvon, who was also present when the tomb was open, fell ill with a fever and die in Egypt. 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 lucky pet bird in Cairo.Carters lucky pet bird was swallowed by a snake.PastPresentThe usage of the past perfectPastPresentThe past perfect tense shows us “过去的过去过去的过去”.PastSummary: The past perfect tense is often used with the simple past tense. If one action happens before another in the past, the past perfect tense is used.The usage of the past perfect“We hid the entrance to the tomb,” said Carter.Carter said that they had hidden the entrance to the tomb.PastPresentThey hid the entrance to the tomb.Carter said that they had hidden the entrance to the tomb.Summary: The past perfect tense is often used to refer to an action that had already happened at the time of speaking.The usage of the past perfectBy the 1920s, he had become an explorer, searching for the tombs of the Egyptian kings.PastPresentHe had become an explorer.The 1920sSummary: The past perfect tense is often used with time expressions such as when, after, before, as soon as, until, by, for and already.The usage of the past perfectI had done my homework this morning before I went to class.PastPresentI had done my homework this morning.I went to class.Summary: The use of the past perfect tense simply indicates that an action comes before another past action. It does not mean that the past action happened a long time ago.Past perfect tense过去完成时概述：过去完成时概述：1.基本结构：肯定：主语+had+done 否定：主语+_ +_ 疑问：_+主语+_hadntdonedoneHad2.意义概述：意义概述：(1). 表示在过去某一时刻或某个动作以前完成了的动作，即“过去的过去”。e.g. By nine oclock last night, we had got 200 pictures from the spaceship. 到昨晚9点钟，我们已经收到200张飞船发来的图片。 2.意义概述：意义概述：(2). 表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态，常和for, since构成的时间状语连用。 e.g. I had been at the bus stop for 20 minutes when a bus finally came. 当车来的时候，我在车站已经等了20分钟。 He said he _ _in that factory since 1949. 他说自从1949年以来他就在那家工厂工作。 hadworked2.意义概述：意义概述：(3).在含有told,said,knew,heard,thought等主句是过去时的宾语从句、动作有先后的状语从句及某些定语从句中，用过去完成时。 e.g. He said that he had known her well. 他说他很熟悉她。 I thought I _ _ the letter a week before. 我认为我一星期前就把信寄出去了。 When I woke up, it had already stopped raining. 我醒来时雨已停了。 She didnt go to bed until she _ _ her work. 她直到把工作做完之后才睡觉。 I returned the book that I had borrowed. 我已归还了我借的书。 She found the key that she _ _. 她丢失的钥匙找到了。hadsenthad finishedhadlost3.时间状语：时间状语：过去完成时态常跟 等时间状语连用。 如果两个动作紧接着发生，如果两个动作紧接着发生，不强调不强调他们的他们的先后之分先后之分，则常常则常常不用过去完成时不用过去完成时。 特别是在包含特别是在包含before和和after的复合句中，因为这时的复合句中，因为这时 从句的动作和主句的动作发生的先后顺序已经非常明从句的动作和主句的动作发生的先后顺序已经非常明确，这时可以用一般过去时代替过去完成时。确，这时可以用一般过去时代替过去完成时。 After he （had）arrived in England, Marx worked hard to improve his English. 马克思到达英格兰之后，努力提高他的英语水平。 Hot TipHot Tip Another amazing person -Amelia Earhart She was a female pilot from America . She was the first woman air passenger to fly across the Atlantic.PracticeComplete the story on page 49. Amelia Earhart was born on 24th 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 _ 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 _ 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 base tried to contact Amelia at 9.30 p.m. 0n 2nd July 1937, she _ already _ missing. had metstartedhad startedhadgoneThe simple past tense or The past perfect tense Finish the exercise on page 50! 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, Ireland. Its makers _(spend) a great deal of money building the ship. When it _(finish), it was the largest and most comfortable ship ever built. The Titanic set sail on 10th April 1921. I _ (want) to set foot on the Titanic ever since it was built, said Molly Brown, a Titanic survivor. I never thought it would sink. On 13th April, the Titanic was sailing at full speed towards New York. surprisedspentwas finishedhad wantedThe captain, who _(receive) warnings about icebergs all day, had dismissed the warnings as they _(arrive).At 2.20 a.m., the Titanic sank into the sea. It _(hit) an iceberg just over two hours before. Of the 2,208 people aboard the ship, only 705 _(survive).Explorer Robert Ballard (10) _(search) for the Titanic for more than 20 year before he found it. When new technology was developed, we (11)_(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 (12)_(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. 【自我检测 】1. By the end of last term, we_over two thousand new words. A. learned B. have learned C. will learn D. had learned2. By the time I _ back they _ up ten metres.A. camehave climbed B. camehad climbedC. comehave climbed D. had comeclimbed3. He _ the Army by the end of 1992. He _ in the army since then.A. joinedis B. has joinedhas beenC. had joinedis D. had joined has been4. The meeting_ for five minutes when I got there.A. had begun B. had been on C. has begun D. has been on5. Before we got to the railway station, the train _ already.A. went out B. had gone C. has gone D. has arrived6. He _ angry because he _ for a long time.A. had gothad waited B. gotwaited C. had gotwaited D. gothad waited【自我检测 】7. He asked me _ during the summer holidays.A.where I had been B. where I had gone C. where had I been D. where had I gone8. By the time my parents reached home yesterday, I _ the dinner already.A had cooked B. cooked C. have cooked D. was cooked9. She said she _ the principle alreadyA .has seen B. saw C. will see D. had seen【自我检测 】10. She said her family _ themselves _ the army during the war.A.has hidden, from B. had hidden, from C. has hidden, with D. had hidden, with11. By the time he was ten years old, he _.A. has completed university B. has completed the universityC. had completed an university D. had completed university12. Jim turned off the lights and then _ the classroom.A. was left B. had left C. has left D. left【自我检测 】13. They _ in Guangzhou since 2000.A.lived B. had lived C. have lived D. were living14. The train from Beijing _ ten minutes ago.A.has arrived B. was arriving C. arrived D. had arrived15. The classroom _ by the students when the visitors arrived.A.have cleaned B. had cleaned C. was cleaned D. had been cleaned【自我检测 】Homework 1. Finish Parts C1&C2 on P104 in your workbook.2. Preview Project.