Unit 3 Food and Culture Discovering Useful Structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、Book 5 Unit 3 Food and Culture Discovering Useful StructureThe Past Perfect TenseThe Past Perfect Passive VoiceObserve and Discover(p29)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 cookb

2、ook was published.They had finished their dinner by the time Sam joined them.Their dinner had been finished by the time Sam joined them.1.主句和从句中的谓语动词：时态？语态？形式结构？2.主句和从句中事件或动作的先后顺序？3.主从句之间的连接词是什么？Observe and DiscoverThe chef had set up a farm-to-table restaurant before his new cookbook was published.

3、PresentFuturehad set up was published时态：过去完成时语态：主动结构：had done时态：一般过去时语态：被动结构：was/were doneObserve and DiscoverA new farm-to-table restaurant had been set up by the chef before his new cookbook was published.PresentFuturehad been set up was published时态：过去完成时语态：被动结构：had been done时态：一般过去时语态：被动结构：was/we

4、re doneObserve and DiscoverThey had finished their dinner by the time Sam joined them.PresentFuturehad finished joined时态：过去完成时语态：主动结构：had done时态：一般过去时语态：主动结构：didTheir dinner had been finished by the time Sam joined them.PresentFuturehad been finished joined时态：过去完成时语态：被动结构：had been done时态：一般过去时语态：主动结

5、构：didMore sentences in this unit When my family and I had just arrived in China,we went looking for a good place to eat in Beijing.Tired,hungry,and not knowing a word of Chinese,we had no idea how to order,so the chef just began filling our table with the best food we had ever eaten.A Sichuan restau

6、rant had been recommended to us by a friend,and finally,we found it.Prior to coming to China,my only experience with Chinese cooking was in America,with Chinese food that had been changed to suit American tastes.表示在过去某一时间或事件之前已经完成的动作或已经存在的状态。过去完成时 The Past Perfect Tense1.The chef had set up a farm-t

7、o-table restaurant before his new cookbook was published.2.The media reported that these companies had treated pollution as a hot potato.动作已经完成事件已经存在过去完成时的基本结构：had done过去完成时过去完成时的被动语态肯定句主语+had done 主语+had been done否定句主语+had not done主语+had not been done一般疑问句 Had+主语+doneHad+主语+been done特殊疑问句 疑问词+had+主

8、语+done疑问词+had+主语+been done过去完成时的用法1.1.表示表示过去某时或某动作之前过去某时或某动作之前就已经完成或结束就已经完成或结束的的动作动作/事件事件，即即“过去的过去过去的过去”。By the end of the last month,Jackson _(spend)all of his money.Mr.Smith died yesterday.He _(be)a good friend of mine.had spent had been 过去完成时的用法2.2.表示由表示由过去的某一时刻开始过去的某一时刻开始，一直延续一直延续到过去另一时间到过去另一时间的

9、动作或状态的动作或状态，常常有有for，since的时间状语的时间状语表示动作延续。表示动作延续。I _(wait)at the bus stop for 20 minutes when a bus finally came.He said he _(work)in that factory since 1949.She _(learn)French for three years by then.had waited had worked had learned 过去完成过去完成时常见时间状语：时常见时间状语：by/until/before/by the end of+过去某时间点过去某时间

10、点过去完成时用法3 3.在含有在含有定语从句定语从句的主从复合句中，的主从复合句中，如果叙述过去如果叙述过去的事的事，先发生的动作常用过去完成时，先发生的动作常用过去完成时。I returned the book that I_(borrow).4 4.过去完成时常常用在过去完成时常常用在toldtold，saidsaid，knewknew，heardheard，thoughtthought等动词后的等动词后的宾语从句宾语从句中中，这时从句中的动作发生这时从句中的动作发生在主句表示的过去的动作之前在主句表示的过去的动作之前。He told me that he _(eat)in the res

11、taurant many times.They didnt know that their house _(sell).had borrowedhad eaten had been sold 5.5.状语从句状语从句：在过去不同时间发生的两个动作中，：在过去不同时间发生的两个动作中，发生发生在在前前，用，用过去完成时过去完成时；发生在后，用一般过去时。；发生在后，用一般过去时。如如：when,before,after,as soon as,till/until引导的复合句引导的复合句。过去完成时用法She didnt go to bed until she _(finish)her work.

12、When I _(come)back,my lamb kebab _(eat)up.Note:如果两个动作紧接着发生如果两个动作紧接着发生，则则可以可以不用过去完成时不用过去完成时。特别是在特别是在包含包含before和和after的复合句中的复合句中，因为从句的动作和主句的动作发生的，因为从句的动作和主句的动作发生的先后顺序已经非常明确，可以用一般过去时代替过去完成时。先后顺序已经非常明确，可以用一般过去时代替过去完成时。The students _(rush)for the canteen after they _(finish)the homework.finishedhad been

13、eatencamehad finished rushed过去完成时用法6.在以下表示在以下表示“刚刚就就”的句型中，的句型中，hardly/scarcely/barelywhen no soonerthan 从句从句(when,than)用一般过去时，主句用过去完成时。用一般过去时，主句用过去完成时。I had hardly got home when the rain poured down.Barely/Scarcely had I set foot in the street when I realized I was lost.No sooner had the kid said it

14、 than he burst into tears.Note:若若hardly/scarcely/barely/no sooner 位于句首，则主句部分部分位于句首，则主句部分部分倒装，即倒装，即had+主语主语+done。1.我刚到车站，火车就开了我刚到车站，火车就开了。(barely.when.)Hardly had the result been announced when the crowd applauded.The result had hardly been announced when the crowd applauded.I had barely reached the

15、station when the train started.2.结果刚一宣布，人们结果刚一宣布，人们就就拍手喝彩拍手喝彩(applaud)起来起来。(hardly.when.)Barely had I reached the station when the train started.7.It/This/That was the first/second.time(+that)这是这是/那是某人第一那是某人第一/第二次第二次/第第次做次做此句型中，若主语中的此句型中，若主语中的be动词为动词为was,从句中的谓语则用过去完成从句中的谓语则用过去完成时；若主句中的时；若主句中的be动词为动词

16、为is,从句中的谓语则用现在完成时从句中的谓语则用现在完成时。过去完成时用法1.It was the first time she _(leave)her motherland.2.It is the first time(that)I _(speak)in public.3.This _(be)the first time I had seen Dad so furious(狂怒的狂怒的).had left have spokenwas 8.动词动词think,want,hope,mean,plan,intend,wish,expect,suppose等等用过去完成时来表示过去未曾实现的想法

17、用过去完成时来表示过去未曾实现的想法、希望希望、打算或意图等。、打算或意图等。过去完成时用法1.We had intended to have a barbecue in the open air,but the weather was bad.2.I _(wish)to become a doctor,but I studied law at college.3.They _(plan)to see us off at the airport.had plannedhad wished归纳：过去完成时的常见时间状语和句型by/until/before/by the end of+过去某时间过

18、去某时间点点hardly/scarcely/barely.when.no sooner.than;It was the first/second time that.1.I _(eat)lots of cakes so far.2.I _(eat)lots of cakes till then.3.Tom _(finish)writing his novel by the end of last year.4.Tom _(finish)writing his novel.5.Tom _(finish)writing his novel by the end of next year.6.Tom

19、 _(finish)writing his novel last year.Practicehave eatenhad eatenhad finishedhas finishedwill have finished finished1.The interviewer was interested in the grades I _(get)in the exams.2.By the time we got a report,the firemen _(put)out the fire in the bar already.3.This is the first time he _(experi

20、ence)disappointment。3.She _(want)to help you but she had no time then.4.All the film tickets _(sell)out when I got to the cinema.5.The wallet _(wrap)up in newspaper and it contained half the money he had lost.6.It was the third time that he _(make)the same mistake.had got had puthad wantedhad been s

21、oldhad been wrappedhad made has experienced7.It _(become)separated from Britain and Ireland by 6500 BC.8.In my childhood,me grandma used to say“Helping others _(mean)helping yourself”,which _(have)a deep effect on me.9.He said he _(leave)a few days later.10.Mary _(work)really hard on her book and th

22、inks shell have finished it by Friday.11.The twins,whose homework _(finish),_(allow)to play badminton on the playground.12.We wont start the work until all the preparations _(make).had become meanshas hadwas leaving/would leavehas been workinghad been finishedwere allowedhave been made完成句子1.She foun

23、d that_.她发现这片区域的房子都被风暴摧毁了。她发现这片区域的房子都被风暴摧毁了。2.He had finished the novel by the end of last month.(被动语态被动语态改写改写）3.It was the first time that we had talked about this issue face to face.(被动语态改写）被动语态改写）the houses in the area had been destroyed by the stormThe novel had been finished by him by the end o

24、f last month.It was the first time that this issue had been talked about face to face by us.完成句子4.到上学期期末为止,我们已经学了两千多个英语单词。5.我昨天回家的时候发现我的房间已经收拾干净了。6.这是中国女排第十次取得世界冠军。7.他刚开始演讲，观众就打断了他。Hardly _We had learned over 2000 English words by the end of last term.When I came back home yesterday,I found that my

25、room had been cleaned up.This is the tenth time that the Chinese womens volleyball team had claimed the world championship.had he begun to speak when the audience interrupted him.Complete the two conversations with the correct forms of the words in the box using the past perfect tense or the past pe

26、rfect passive voice.(p29)Practicearrive 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.Carol:Oh Did you try it?Paul:Oh,yes!You know what?We _ late for supper that

27、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 say Hadtastedhad been toldarrivedhad 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.Hope Sally recovers soon!arrive cancel eat finish get taste tellHadbeen cancelledhad got