高中英语选择性必修二 Unit 3 Food and culture Period 3 Discover useful structures

1、新人教版（2019）英语选修性必修二Unit 3 Food and culture Period 3 Discover useful structures 教学设计课题 Period 3 Discover useful structures单元Unit 3 Food and culture学科English年级Grade 2教材分析This period is focused on grammar.The main grammatical items in this unit are the active and passive forms of the past perfect tense.

2、 The three activities in this section reflect the process of grammar learning. Activity 1 presents the two set of sentences, each group respectively using the pluperfect active voice and passive voice to describe the same information. Activity 2 let the student to choose the appropriate verbs, and u

3、se the past perfect in the active voice and passive voice completion two dialogue. Activity 3 belongs to the comprehensive application stage. The activity requires students to work in pairs.教学目标与核心素养Knowledge objectives: Enable the Ss to learn the structure and use of the past perfect active voice a

4、nd passive voice.Skill objectives: Enable the Ss to be able to observe, analyze, conclude and summarize grammatical structures.Develop the ability to use the past perfect active voice and passive voice correctly.Emotional objectives: Joining the appropriate games can improve the classs atmosphere an

5、d stimulate students interest in learning and enthusiasm.Thinking quality objectives:Set up the language context and rules for students to express and communicate actively in the process of learning.重点The rules of the past perfect active voice and passive voice.难点The differences between the past per

6、fect tense and other tenses.教学过程教学环节教师活动学生活动设计意图导入新课 Lead in (PPT1-4)Look at the two pairs of sentences and compare the first one and the second one.Pair 1：1.The chef had set up a farm-to-table restaurant before his new cookbook was published.2.A new farm-to-table restaurant had been set up by the c

7、hef before his new cookbook was published.Pair 2:1.They had finished their dinner by the time Sam joined them.2.Their dinner had been finished by the time Sam joined them.Read the two pairs of sentences again and find out the following items.1.The predicate verbs of the main clause and clause2.The t

8、ense and voice of the main clause and clause3.Which actions of the main clause and clause comes first or later4.A conjunction between a main clause and a clauseObserve the sentences and compare the sentences.To guide students to discover the features of each sentence.讲授新课 PPT 5-11 Discover useful st

9、ructuresPair One:Pair Two:2.Read the text again and find out the sentences using the past perfect tense. 1.When my family and I had just arrived in China,we went looking for a good place to eat in Beijing.2. A Sichuan restaurant had been recommended to us by a friend ,and finally,we found it.3.Gramm

10、ar rules4.Discovering:Using the past perfect tense or the past perfect passive voice to change the following sentences . 1.When my family and I had just arrived in China,we went looking for a good place to eat in Beijing.2. A Sichuan restaurant had been recommended to us by a friend ,and finally,we

11、found it.Answers:1.When China had just been arrived in ,my family and I went looking for a good place to eat in Beijing.2.A friend had recommended a Sichuan restaurant to us, and finally,we found it.5.Compare the past perfect tense and the past tense and find out the differences .1.The chef had set

12、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 Sam joined them.Their dinner had been finished by the time Sam joined them.6.Grammar Rules

13、时态结构用法一般过去时主动:did/was/were动作发生在过去的某个时间被动:was/were done过去完成时主动：had done动作发生在过去的某个时间/动作 之前被动:had been donePractice (PPT12-13)1.Complete the conversations with the correct forms of the words in the box.arrive, cancel, eat, finish, get, taste, tellCarol:_ you ever_ any Scottish food before your trip to

14、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 university canteen.We_our meal before we learnt we_just_haggis! Carol:My goodness!Pa

15、ul:Well,it was not bad.I have to say.2).Carol:When I got to the tea house yesterday,I found nobody there. _it_?Paul:Oh,Im so sorry that I forgot to tell you!The get- together we canceled yesterday morning because Sally,the hostess,_into a car accident.Carol:Oh，Im sorry to hear that.Hope Sally recove

16、r soon!Answers:1.Had, tasted, had been told, arrived, had finished, had, eaten2.Had, been cancelled, had gotSumming up(PPT14-15)1. By nine oclock last night，we _(get)200 pictures from the spaceship. 过去完成时表示在过去某一时刻或动作以前完成了的动作,可以用by，before等介词短语2. I _(be) at the bus stop for 20 minutes when a bus final

17、ly came.3. He said he _(work) in that factory since 1949.过去完成时还表示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态，常和for，since构成的时间状语连用。4. They _(want)to help but could not get there in time.5. We _(hope)to be able to come and see you.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。6. Hardly _ he _(begin

18、) to speak when the audience interrupted him.7. It was the third time that he _(be) out of work that year.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。Answers:1.had got 2.hand been3.had worked 4.had wanted 5.had hoped 6.had begun 7.had been (PPT16-19)Choose

19、 one of these three situations, and make as many sentences as you can using the past perfect tense and the perfect voice.1. When I set off for the cafeteriaI had just finished my homeworkI had ordered a taxi onlinethe windows had been closedthe light had been switched off.Before he went into the cho

20、colate factory._3.By the time I arrived at the “insect”party._Answers:2. . I had drunk too much soda popI had eaten too much cake we had been given many samplesI had been made very sick.3 the insects had all escaped the insects had scattered everywhere in the roomthe insects had all been collected i

21、n a bottle the insects had been fried up for eating.Discussion:Ask some questions and guide the students to form a dialogue. T: What had you done when you set off for the cafeteria?S: _T: Oh, what a pity!S: _T: Well, it was amazing. Before I went there, I had never thought of eating insects. _Answer

22、s: 1.I had just called Li Hua to go with me, but by the time we arrived, it had been closed.2.I was told that you had been invited to the insect party. What was it like?3.I had tried three different kinds of insects before the end of the party.Choose one of these three situations and make a conversa

23、tion using these sentences.Samples:A: So, how did the insect party go?B: Oh, it was horrible!A: Why? What happened?B: Well, by the time I got there, the insects had all escaped and they had scattered everywhere in the room!A: Oh, no! So what did you do?B: We chased the insects down and before long t

24、hey had all been collected in a bottle.A: Then you cooked them?B: Yes, before long, they had been fried up for eating. But then we had another a big problem.A: What?B: Well, after we had rounded up all the insects, we were all so tired and disgusted with handling them that no one wanted to eat them.

25、A: So much for the insect party!B: But it had a happy ending. We ordered out for pizza and then sat down and watched a cool movie on the computer.A: Sounds great!Language points(PPT20-26)cancel 考查热度【热点品味】cancel vt. vi. 取消；废除【教材原句】Had it been cancalled?它已经被取消了吗？【实例品读】The Russian foreign minister yest

26、erday cancelled his visit to Washington.俄外交部长昨天取消了对华盛顿的访问。Many trains have been cancelled and a limited service is operating on other lines.许多列车都被取消了，少数班次在其他路线运行。【热点归纳】(1)cancel button 取消按钮 cancel out 取消；抵销(2)cancellation n.取消；删除【考点精练】语法填空The customer called _ (cancel) .(2) For serious sleep loss ev

27、en 10 hours in bed may not cancel _ the negative effects .Answers:to cancel;outset off 考查热度【热点品味】set off出发；动身；使爆炸；引发【教材原句】When I set off for the cafeteria,I had just finished my homework.当我动身去自助餐厅时，我刚做完作业。【实例品读】Traditionally, college students hold a graduation ceremony to encourage themselves before

28、 they set off on their life journey.依照惯例，为激励自己，大学生们会在开始他们的人生旅程之前举行一场毕业典礼。A great many people were setting off fireworks in the street during the Spring Festival.春节期间，许多人在街上放烟花。【热点归纳】(1)set aside保留；储蓄；忽视；不顾set down 放下；记下set up 建立；树立；搭起(2)set about doing 着手/开始做=set out to do 出发；开始做(3)a set of. 一套(4)se

29、tting n. 环境；背景【考点精练】语法填空(1)Ralph W.Emerson would always set _new ideas that occurred to him for his new poetry.(2)Armed with the information you have gathered ,you can set about _ (prepare)your business plan.Answers:about;preparingBy the time I arrived at the “insect ” party, the insects had all esc

30、aped. 考查热度【精品译文】当我到达“昆虫”宴会时，昆虫们都跑掉了。【实例品读】By the time we arrived at the airport,the star had left.我们到达机场时，该明星已经离开了。By the time you graduate,you will have learned 3,500 words. 到你们毕业的时候，你们将已经学会3500个单词了。【看点解读】“by the time”意为“到时候为止”，是介词短语,在句中起连词作用，引导时间状语从句。【经典归纳】(1)by the time+一般过去时,主句为过去完成时(2)by the ti

31、me+一般现在时或现在完成时,主句为将来完成时【考点精练】语法填空(1)By the time I graduate next year I _ (live) here for 5 years.(2)When I talked with my grandma on the phone,she sounded weak,but by the time we _(hang)up, her voice had been full of life. Answers:will have lived;hungPractice(PPT 27-32).单句语法填空1I surfed the net and _

32、(see) an online advertisement，so I sent an email，saying that I wanted the job.2The universities in Britain_(take) in many students from China and other Asian countries over the past few years.3The interviewer was interested in the grades I _(get) in the exams.4By the time we got a report，the firemen

33、 _(put) out the fire in the bar already.5Well have to wait in line.The fastfood restaurant _(be) shorthanded for weeks.6She _ (want) to help you but she had no time then.7All the film tickets _(sell) out when I got to the cinema.8The wallet_(wrap) up in newspaper and it contained half the money he h

34、ad lost.9By the end of that day，most of the inhabitants _ (leave) their homes.10It was the third time that he _(make) the same mistake.Answers:1.saw 2.had taken 3 had got 4 had put 5.had been 6.had wanted 7.had been sold 8.had been wrapped 9.had left 10.had made.完成句子1她告诉我她当空中乘务员好几年了。She told me that

35、 _for quite a few years.2她说她已来过上海。She said that _Shanghai.3我们到日本前学过一点日语。We _before we came to Japan.4我不想看那部戏剧，因为我已经看过了。I didnt want to see the play because _5到上学期末，我们已读了十篇短篇小说。By the end of last term_ 6这是他第一次输掉比赛。It was the first time _7投资黄金一直被认为是万无一失的赚钱方法。Investment in gold _ a sure route to make m

36、oney. 8经过短暂的步行，我们到达尸体被人发现的地方。After a short walk，we arrived at the place where _ . 9然而，几天之后，有人告诉他说弄错了。However，a few days later，he was told that _10我半夜回来时，她还没有做完工作。When I came back at midnight _Answers:1.she had been an air hostess2.she had been to3.had studied a little Japanese4.I had already seen it

37、5.I had read ten short stories6.she had lost the game7.has been seen as8.the body had been found9.a mistake had been made10.she still hadnt finished the workFind out the sentences using the past perfect tense and the perfect voice ,and then read them aloud and recite them.A: So, how did the insect p

38、arty go?B: Oh, it was horrible!A: Why? What happened?B: Well, by the time I got there, the insects had all escaped and they had scattered everywhere in the room!A: Oh, no! So what did you do?B: We chased the insects down and before long they had all been collected in a bottle.A: Then you cooked them

39、?B: Yes, before long, they had been fried up for eating. But then we had another a big problem.A: What?B: Well, after we had rounded up all the insects, we were all so tired and disgusted with handling them that no one wanted to eat them.A: So much for the insect party!B: But it had a happy ending. We ordered out for pizza and then sat down and watched a cool movie on the computer.A: Sounds great!Answer the questions by students one by one.Find and give the sentences by individuals.To make conclusion by themselves. Studen