Unit 3 Discover useful structures(过去完成时) ppt课件-（2022新）人教版高中英语选择性必修第二册.pptx

1、Yinsheng High School Zengli To learn to use the past perfect tense and the past perfect passive voice. To make sentences using the past perfect tense and the past perfect passive voice. Lead inHong Kong _ (return) to China in 1997.returnedMacao/mka/ _ (return) to China in 1999.returnedHong Kong _ (r

2、eturn) to China before Macao came back to China.had returnedQ1Q1：什么是过去完成时？Q2Q2：过去完成时的结构？Q3Q3：过去完成时时间状语有哪些？Q4：隐形的过去完成时Q1Q1：什么是过去完成时？By the time the policeman got to the shop, the thief had run away.警察到商店时，小偷已经逃跑了。过去 现在 将来Q1Q1：什么是过去完成时？By the time the policeman got to the shop, the thief had run away.

3、警察到商店时，小偷已经逃跑了。 过去完成时是表示过去某个时间之前已经发生的动作或一直延续的动作或状态。“过去的过去”1. By the time the policeman got to the shop, the thief had run away.2. Had the thief run away by the time the policeman got to the shop, 例句：我们到剧院时戏剧已经开始了。The play _ when we got to the theater.had already started过去完成时结构过去完成时结构:肯肯/否定句：否定句：had

4、(not) + done 一般疑问句：一般疑问句：Had sb done sth?Q2Q2：过去完成时的结构？：过去完成时的结构？Had the play already started when we got to the theater.By the time I walked into class, the teacher had started teaching already. By the time I walked into class, the teacher hadnt started teaching yet. Had the teacher started teachin

5、g yet by the time you walked into class?Q2Q2：过去完成时的结构？：过去完成时的结构？I had finished reading the novel by nine oclock last night.We had learned over two thousands English words by the end of last term.They had planted six hundred trees before last Wednesday.Q3Q3：过去完成时时间状语有哪些？1.by+过去的时间点I had finished read

6、ing the novel by nine oclock last night.2.by the end of+过去的时间点We had learned over two thousand English words by the end of last term.3.before+过去的时间点They had planted six hundred trees before last Wednesday. Q3Q3：过去完成时时间状语有哪些？My father asked me if I had finished reading that book.The lady showed me th

7、e pictures she had painted. I began the work after he had gone.1.在主从复合句中，主句为过去时，从句动作发生在主句之前，用过去完成时。Q4：隐形的过去完成时隐形的过去完成时 2. 用于一些固定句型：用于一些固定句型：It / This / That was + the first / second / . + time + that从句，从句，从句谓语常用过去完成时。如：从句谓语常用过去完成时。如：It was the first time that I had made such a mistake.hardly . when.

8、 /no sooner . than. ：“刚刚.就就.”；hardly和和no sooner分句谓语常用过去完成时。如：分句谓语常用过去完成时。如：The party had hardly started when Joe left.I had no sooner got back to the kitchen than the doorbell rang. 3. 用于用于hope, intend, mean, think等动词表示未实现的等动词表示未实现的愿望时愿望时,意为意为“本打算，本想本打算，本想.”。如：。如：I had intended visiting him this wee

9、kend but I wasnt able to make it. I had thought to return early but they wouldnt let us go.【即学即练即学即练】 用括号内动词的正确形式补全下面对话。用括号内动词的正确形式补全下面对话。Karen: John, hows it going?John: Not bad.Karen: Werent you supposed to be in Frankfurt this weekend?John: Yeah, but I never made it. Just when I got to the airpor

10、t, I realized that I 1. _ (leave) my passport at home. So I had to race back home to pick it up. Luckily, I 2. _ (set) off really early so I had enough time. Karen: Phew!had lefthad setJohn: Yeah, well, anyway, I got back to the airport and rushed to the gate, but as I was going through the security

11、 checkpoint, they told me that the e-ticket that I 3. _ (print) off wasnt a valid (有效的有效的) boarding card, so I couldnt get through. Karen: What a disaster!John: By the time I printed it off again, the plane 4. _ (take) off. Karen: Oh, no. had printedhad taken John: So, anyway, I booked another fligh

12、t for later that day, but when I went to put in my credit card details, I couldnt find my wallet. I didnt know what 5. _ (happen). I must have dropped it somewhere. Anyway, I had to spend the next hour or so reporting my lost credit cards. In the end, I just went back to bed. Karen: Sometimes, its t

13、he only solution.had happened The chef had set up a farm-to-table restaurant before his new cookbook was published.A new farm-to-table restaurant had been set up by the chef before his new cookbook was published.Look at the two pairs of sentences, paying attention to the meaning and use of the past

14、perfect tense and the past perfect passive voice.结构：结构：had + been +donee.g. A new farm-to-table restaurant had been set up by the chef before his new cookbook was published.They had finished their dinner by the time Sam joined them.Their dinner had been finished by the time Sam joined them.Change th

15、e active voice into passive voice.【语境应用语境应用】完成句子。完成句子。1) The tickets _ (sell) out before I came to the cinema. 2) By the end of last year, we _ (produce) 20,000 cars.3) When the police arrived, the thieves _ (run) away. 4) She told us that the meeting _ (cancel).had been sold had produced had run ha

16、d been canceled1. It _ (know) for a long time that Yellowstone was volcanic in nature thats what accounted for all its hot springs and other steamy features. (2019江苏江苏)2. A rescue worker risked his life saving two tourists who _ (trap) in the mountains for two days. (2018北京北京)3. I was sent to the vi

17、llage last month to see how the development plan _ (carry) out in the past two years. (2018江苏卷江苏卷) had been known had been trapped had been carried过去完成时：在过去某一时间或动作之前已经发生或完成了过去完成时：在过去某一时间或动作之前已经发生或完成了的动作，表示动作发生的时间是的动作，表示动作发生的时间是过去的过去过去的过去。一般过去时：一般过去时：过去过去某一时间所发生的动作或存在的状态。某一时间所发生的动作或存在的状态。e.g. They ha

18、d arrived at the station before the train left.They arrived at the station at ten yesterday.【即学即练即学即练】翻译句子。翻译句子。1) 到上个月底为止，我已经学了四千个单词。到上个月底为止，我已经学了四千个单词。2) 他做完作业后，出去踢足球了。他做完作业后，出去踢足球了。4) Jim于于2019年去世的。年去世的。5) 上周五他非常忙。上周五他非常忙。I had learned 4,000 words by the end of last month.After he had done his ho

19、mework, he went out to play football.Jim died in 2019.He was very busy last Friday.Choose one of these three situations, and make as many sentences as you can using the past perfect tense and the past perfect passive voice. Then make a conversation using these sentences. 1. When I set off for the ca

20、feteriaI had just finished my homework.I had ordered a taxi online.the windows had been closed.the light had been switched off.n.自助食堂自助食堂;自助餐厅自助餐厅2. Before he went into the chocolate factory I had drunk too much soda pop. I had eaten too much cake. we had been given many samples.I had been made very

21、 sick.3. By the time I arrived at the “insect” partythe insects had all escaped.the insects had scattered everywhere in the room.the insects had all been collected in a bottle.the insects had been fried up for eating.Complete the two conversations with the correct forms of the words in the box using

22、 the past perfect tense or the past perfect passive voice.arrive, cancel, eat, finish, get, taste, tell1. Carol: _ you ever _ any Scottish food before your trip to St. Andrews last year? Paul: No, not really. But I _ about haggis many times before we went there. Hadtastedhad been toldn.羊杂碎肚羊杂碎肚n.食堂食

23、堂;餐厅餐厅Carol: OhDid you try it?Paul: Oh, yes! You know what? We _ late for supper that day, and so we just ate whatever was left in the university canteen. We _ our meal before we learnt we _ just _ haggis!Carol: My goodness!Paul: Well, it was not bad. I have to sayarrive, cancel, eat, finish, get, t

24、aste, tellarrivedhad finishedhadeaten2. Carol: When I got to the teahouse yesterday, I found nobody there. _ it _? Paul: Oh, Im so sorry that I forgot to tell you! The get-together was cancelled yesterday morning because Sally, the hostess, _ into a car accident. Carol: Oh, Im sorry to hear that. Ho

25、pe Sally recovers soon!Hadbeen cancelledhad gotarrive, cancel, eat, finish, get, taste, tell构成构成用法用法主动语态主动语态had done过去某一时间或动作之前已经发生或完成的动作。过去某一时间或动作之前已经发生或完成的动作。It was the first/second time that sb had done sth.hardly . when.; no sooner . than.过去没有实现的愿望、打算或意图。过去没有实现的愿望、打算或意图。hope, think, expect, mean, intend等。等。使用过去完成时要有过使用过去完成时要有过去时间为参照点。去时间为参照点。被动语态被动语态had been done过去完成时与一过去完成时与一般过去时区别般过去时区别表示动作发生的时间是表示动作发生的时间是过去的过去过去的过去。过去过去某一时间所发生的动作或存在的某一时间所发生的动作或存在的状态。状态。 Review the grammar points. 完成优化指导完成优化指导P36练习。练习。 完成练与测完成练与测P99练习。练习。