Unit 3 Discover useful structures-ppt课件--（2022）新人教版(2019新版)高中英语选择性必修第二册.pptx

1、高二人教版选修二英语第三单元Food and CultureLesson 4 Discovering Useful StructuresLearning objectivesYou are expected to:1.discover and grasp the form and rules of past perfect tense and past perfect passive voice;2.learn about the function through practice;3.talk about something using past perfect tense and its

2、passive voice.1.Hong Kong _(return)to China in 1997.returned2.Macao _(return)to China in 1999.returned3.Hong Kong _(return)to China before Macao came back.had returned过去完成时过去完成时 past perfect tense图片来自网络图片来自网络Past perfect tense is used to tell an activity done before something in the past.So it is us

3、ed in a background of past.1.What is past perfect tense?过去完成时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”Hong Kong had returned to China before Macao came back.presentpastpast perfect2.Structure of past perfect tense 否定句：否定句：Hong Kong hadnt returned to China before Macao came back.一般疑问句：一般疑问句：Had Hong Kong

4、returned to China before Macao came back?Hong Kong had returned to China before Macao came back.肯定句：肯定句：Sb.had done sth.否定句：否定句：Sb.hadnt done sth.一般疑问句：一般疑问句：Had sb.done sth.？3.Usage of past perfect tensee.g.I had finished reading the novel by nine oclock last night.有时间状语有时间状语before/by(the end of)+过

5、去时间点时。过去时间点时。e.g.I had intended to visit him yesterday but I wasnt able to make it.用于用于hope,intend,mean,plan,think等动词表示未实现的愿望时。等动词表示未实现的愿望时。e.g.It was the first time that I had made such a mistake.It was two years since he had left his hometown.句型句型It/This/That was+the 序数词序数词+time+that从句；从句；句型句型It w

6、as+一段时间一段时间+since从句。从句。e.g.Hardly had he begun to speak when he was interrupted by the audience.句型句型Hardly.when或或No sooner.than.等固定句型中。等固定句型中。We had got to the station before it rained.Translation1.下雨之前我们就去到了车站。We had planned to buy a house in Guangzhou,but it proved to be a dream.2.我们本来打算在广州买房，但最后只

7、是一场梦。No sooner had I reached home than it began to rain.3.我一回到家就开始下雨。1.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,and pay atte

8、ntion to the meaning and use of the words in red.2.They had finished their dinner by the time Sam joined them.Their dinner had been finished by the time Sam joined them.过去完成时被动语态过去完成时被动语态 past perfect passive voiceActive VoicePassive Voice肯定had done否定hadnt done 疑问Had.done.?had been donehadnt been do

9、neHad.been done.?Structure of past perfect tense passive voice1)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.2)When my family and I had just arrived in China,we went looking for a good place to eat in

10、Beijing.3)A Sichuan restaurant had been recommended to us by a friend,and finally,we found it.4)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.1.Find more sentences using the past perfect tense

11、and the past perfect passive voice from the passage in Page 26 of textbook.Practice 2.Complete the sentences with the correct forms of the given words.1)The tickets _(sell)out before I came to the cinema.2)By the end of last year,we _(produce)20,000 cars.3)He _(tell)many times not to be late.4)We _(

12、warn)to be careful of rats.5)A power station _(set)up in their hometown.6)The train _(leave)before we reached the station.7)100 tractors _(produce)by the end of last year.8)When the police arrived,the thieves _(run)away.9)She told us that the meeting _(cancel).10)The car _(drive)away this morning.ha

13、d been sold had produced had been told had been warned had been set had left had been produced had run had been canceledhad been driven 3.Complete the two conversations with the correct forms of the words in the box using the past perfect tense or the past perfect passive voice.arrive,cancel,eat,fin

14、ish,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Carol:OhDid you try it?Paul:Oh,yes!You know what?We _ late for supper that day,and so we just ate

15、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,taste,tellarrivedhad finishedhadeaten2)Carol:When I got to the teahouse yesterday,I found nobody there._ it _?Paul:Oh,Im

16、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!Hadbeen cancelledhad gotarrive,cancel,eat,finish,get,taste,tell4.Read the situations and rewrite the sentences u

17、sing the given words.ExampleHe couldnt take out his card.He called the bank about the broken ATM.(swallow)The ATM had swallowed his card./His card had been swallowed by the ATM.The supermarket had sold out the grass-fed beef./The grass-fed beef had been sold out.1.When my mum got to the supermarket,

18、there was no grass-fed beef left.(sell out)2.It was my first time to hear somebody sing the song,so I knew nothing about it.(hear)3.I got to the food market,but it was closed.I didnt know about the new opening time.(change)4.Linda has become slimmer since last summer.She used the vegetarian recipes

19、from the website.(follow)I had never heard the song before./The song had never been heard before by me.The food market had changed its opening time./The opening time of the food market had been changed.Linda had followed the vegetarian recipes from the website./The vegetarian recipes from the websit

20、e had been followed by her.5.Work in pairs.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 cafeteriaI had just finished my homework.I had

21、 ordered a taxi online.the windows had been closed.the light had been switched off.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 sick.3.By the time I arrived at the“insect”partythe insects had a

22、ll 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.6.Work in groups.Continue making sentences with the tips of the following sentence as follows.Try to use different linking words from the former sentenc

23、e.T:When I set off for the cafeteria,I had just finished my homework.S1:Before I finished my homework,I had called Tom.S2:By the time I called Tom,his house had been broken into.S3:Hardly had his house been broken into when he called the police.S4:It was the first time that he had called the police.Homework:Use the past perfect tense and its passive voice to talk about what had happened before you started a new habit of your own(at least 5 sentences).Thank you for listening!