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1、GrammarPast Perfet2021/8/8 星期日1Page6 Ex.3 Which action happened first?1. Pliny wrote about a devastating volcanic eruption that he had witnessed a s a young man.2. Before the eruption occurred, Pompeii had been a thriving Roman city3. The bodies of people had decayed many centuries before archaeolog
2、ists arrived.4. But these bodies had left an impression in the ash that showed exact shapes.1111*Which tense is used to talk about?1 an event in the past?2 an event that happened earlier, before the other past event in the story?Past simplePast Perfect2021/8/8 星期日2*在他们到达旅馆之前,他们已经吃早饭了。 They had alrea
3、dy had breakfast before they arrived at the hotel. *当警察到达的时候,那些贼已经逃跑了。 When the police arrived, the thieves had already run away. *今天上午10:00点以前,我已经写完了我的作文。 I had finished writing my composition by 10:00 this morning. 翻译以下句子:2021/8/8 星期日3Past Perfect: 过去完成时We use Past perfect to talk about an event o
4、r situation in the past which happened before other past event.*过去完成时表达 “过去的过去”,强调在过去某 一动作之前发生的动作。1.形式:主语+had + done2021/8/8 星期日4*他记得他还没有付那支笔的钱。 He remembered that he hadnt paidfor that pen.2. 否定:had not + done*他说他以前从来没有看过这样美丽的鸟。 He said that he had never seen such a beautiful bird before. had never
5、 + done2.否定:2021/8/8 星期日5*到十点以前,你们已经到达车站了吗? Had you reached the station before ten oclock? *到上学期期末为止,你们看了多少部英文电影? How many English films had you seen by the end of last term? 3.疑问:把had 提前2021/8/8 星期日6*过去完成时的时间状语before, by, until , when, after, once, as soon as。 Tom was disappointed that most of the
6、guests had left when he arrived at the party. He said that he had learned some English before.By the time he was twelve, Edison had begun to make a living by himself.*他说他之前学过英语。*直到十二岁的时候,Edison就开始自己谋生了。*Tom觉得很失望,因为当他到达那个晚会的时候大部分的客人已经走了。2021/8/8 星期日7John and I _ friends for eight years.We first got t
7、o know each other at a Christmas party. But we _ each other a couple of times before that.A. had been; have beenB. had been; had seenC. had been; had seenD. have been; had seen*过去完成时与现在完成时的区别D2021/8/8 星期日8*现在完成时*过去完成时Has/have+doneHad + done过去的动作对现在的影响或过去的动作延续到现在,强调现在“过去的过去”,强调在过去某一动作之前发生的动作When Jack
8、 arrived he learned Mary _ for almost an hour.had gone B. had set offC. had left D. had been awayD2021/8/8 星期日9The window is dirty. I know. It _ for weeks.hasnt cleaned B. didnt cleanC. wasnt cleaned D. hasnt been cleanedD2021/8/8 星期日10Page7 Ex.5 Which of the two sentences best describeseach picture
9、s?1. b2. a3. bPage7 Ex.61 Nobody believed him because he _ (often lie) before.2 They werent surprised at all. _ they _ (hear) the news earlier?3 Did the police believe that he _ (yet not steal) the car?4 I first met her at a party. I _ (never see) her before.had often liedHadheardhad not yet stolenh
10、ad never seen2021/8/8 星期日115 When we arrived at the theatre, the play _ (already begin).6 I _ (hope) to meet you at the airport, but I was caught in the traffic jam.7 We _ (decorate) the hall for the party by 5 oclock yesterday evening.8 The boss _ (left) the office before I called him.had already b
11、egunhad hopedhad decoratedhad left2021/8/8 星期日122. A famous pop group split up because their last album had been unsuccessful.3. My car broke down on the way to the beach because it had run out of petrol.4. The dog hid under the sofa because it had eaten familys dinner.5. A car crashed into a tree b
12、ecause the driver had fallen asleep.6. The Smith went on a round-the-world trip because Mr. Smith had got a pay rise.Page7 Ex.72021/8/8 星期日13Page 52. exercise 12. I had never eaten Polish food until I met Anna.3. I had never fallen in love until I met Anna.4. I had never wanted children until I met Anna.5. I had never spent all my time with one person until I met Anna.6. I had never talked so openly until I met Anna.2021/8/8 星期日14P 52. ex36. She had never written an essay in E
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