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1、人教版（2019）Unit 3 FOOD AND CULTUREDiscovering Useful Structures英语 选择性必修二目录目录Warming up01Discovering the rules02Studying the rules03Applying the rules04They had led a peaceful life before they moved to the seaside.他们搬到海边前，一直过着平静的生活。Warming upWarming up01By the time the father returned home from abroad,
2、Tom had grown up.到父亲从国外回来的时候，Tom 已经长大了。Warming upWarming up01表示“在过去某一时刻或动作之前已经完成了的动作或状态”,即“过去的过去.By the time the policeman arrived,the thief had run away.Warming upWarming up01到上个星期为止，我们已经学习了7个单元了。By last week,we had learnt seven units.Warming upWarming up01the Past perfect tense 过去完成时 定义 基本结构 基本用法
3、常用固定句型Warming upWarming up01Read the sentences and find out the tenses.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.2.They had finished their dinner by the time
4、Sam joined them.Their dinner had been finished by the time Sam joined them.Find out the order of these predicate?Discovering the rulesDiscovering the rules02Find more sentences using the past perfect tense or the past perfect passive voice in the passage.1.my only experience with Chinese cooking was
5、 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 Beijing.3.A Sichuan restaurant had been recommended to us by a friend,and finally,we found it.4.the chef just began filling our tabl
6、e with the best food we had ever eaten.Discovering the rulesDiscovering the rules02时态结构构 用法用法标志志词一般过去时态主动 S+did/was/were动作发生在过去的某个时间过去的时间点如，yesterday,last night,ago,this morning,just now,the other day被动 S+was/were done过去完成时主动 S+had done动作发生在过去的某个时间/动作之前by,before,by the time,by the end of,it was the
7、first time that.被动 S+had been doneSummaryDiscovering the rulesDiscovering the rules02主动语态被动语态肯定形式had done had been done否定形式had not donehad 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主语done疑问词had主语been doneRule1表示在过去某一时间或动作之前已经发生或完成的动作。它表示这个动作发生的时间是“过去的过去”，这一过去时间可用by，before等构成的短语及when,before
8、,after,by the time等引导的状语从句表示。Studying the rulesStudying the rules031.The classroom _ (clean)before the teacher came.2.The researchers said at least 4%of the population in those countries _(infect).3.We _(build)five new buildings by the end of last year.4.I _(finish)my homework before I had supper.5.
9、He told me that there _(be)an argument between them.6.They said that production costs _(reduce).Exerciseshadnt been cleanedhad been infectedhad builthad finishedhad beenhad been reducedStudying the rulesStudying the rules03Rule 2 动词think,want,hope,mean,plan,intend等用过去完成时来表示过去未曾实现的想法、希望、打算或意图等。They h
10、ad wanted to help but could not get there in time.他们本来打算去帮忙，但没有及时赶到那里。We had hoped to be able to come and see you.我们本来希望能来看看你。He had planned to catch the 8：00 bus,but found it gone.他原计划赶上8点的公共汽车，却发现那趟车已经走了。Studying the rulesStudying the rules03Hardly had he begun to speak when he was interrupted by
11、the audience.他刚开始演讲，听众就打断了他。It was the third time that he had been out of work that year.这是他那一年第三次失业了。I had no sooner finished the work than the light went out.我刚完成工作，灯就熄灭了。Rule 3过去完成时还可用在hardly.when.no sooner.than.It was the first(second,etc.)time(that).等固定句型中。Studying the rulesStudying the rules03
12、1.It was the first time that they _(enjoy)such a wonderful performance.2.No sooner _(have)the boy spoken these words than the warden hit him on the head with the soup spoon.3.Hardly _ I got home when the rain poured down.had enjoyedhad had Studying the rulesStudying the rules03Complete the two conve
13、rsations on page 29.1.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 day,and so we just ate whatever was left in the universit
14、y canteen.We _our meal before we learnt we just_ haggis!Carol:My goodness!Paul:Well,it was not bad.I have to say.Had tasted had been told arrived had finished had eatenarrive cancel eat finish get taste tellStudying the rulesStudying the rules03Complete the two conversations on page 29.arrive cancel
15、 eat finish get taste tellCarol: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!Had be
16、en cancelled had gotStudying the rulesStudying the rules03Work 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 voice.EXAMPLE1 When I set off for the cafeteria.I had just finished my homework.I had ordered a taxi on
17、line.the windows had been closed.the light had been switched off.Applying the rulesApplying the rules04T:What had you done when you set off for the cafeteria?S:I had just called Li Hua to go with me,but by the time we arrived,it had been closed.T:Oh,what a pity!S:I was told that you had been invited to the insect party.What was it like?T:Well,it was amazing.Before I went there,I had never thought of eating insects.I had tried threedifferent kinds of insects before the end of the party.Applying the rulesApplying the rules04Thank you!Thank you!