2019新人教高中英语选择性必修二Unit3 Discover Useful Structures公开课教案.docx

2019新人教高中英语选择性必修二Unit3 Food and CultureDiscover Useful structures 公开课教案Teaching aims:1 .Enable students to identify and analyse the usages of the past perfect tense and the past perfect passive voice.2 .Master the usages of the past perfect tense and the past perfect passive voice through self-study and practice.3 .Use the past perfect tense and the past perfect passive voice to express your ideas.Teaching key points：1. Help students identify the usages of the past perfect tense and the past perfect passive voice2. Lead students to use the past perfect tense and the past perfect passive voice to express their own ideas.Teaching difficult points:How to use the past perfect tense and the past perfect passive voice in real situations.SteplSLead-inActivity 1 Look at the two sentences below.Both of them are in the past perfect tense.（红色部分为学生作答）* a.The chef had set up a farm-to-table restaurant before his new cookbook was published.* b.They had finished their dinner by the time Sam joined them.Change the sentences into their past perfect passive voice.* >a.A new farm-to-table restaurant had been set up by the chef before his new cookbook was published.* >b.Their dinner had been finished by the time Sam joined them.Summary 1The past perfect tense's structure had done indicates the action happened before a certain past action.The past perfect passive voice:had+been+doneActivity 2 Find more sentences using the past perfect tense or the past perfect passive voice from this unit.Suggested answers:The past perfect tense(l)When my family and I had just arrived in China,we went looking for a good place to eat in Beijing.(2).so the chef just began filling our table with the best food we had ever eaten.The past perfect passive voice(l)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)A Sichuan restaurant had been recommended to us by a friend,and finally,we found it.SteplUSelf-directed studyStep团Observation and analysis (红色部分为学生作答)Activity 1 Observe the following sentences and summarize the function of the past perfect tense.(l)Before we got to the train station,the train had already left.(2)By the end of last term,we had learnt 2,000 English words.(3)They had lived there for ten years by then.(4)1 had intended to meet him at the airport,but I had an important meeting to attend.(5)1 had hoped to take a holiday this year but I was not able to get away.Summary 2(1)表示在过去的某一时间或某一动作之前完成的动作或存在的状态。表示从过去某一时间开始，一直延续到过去的另一个时间的动作,常用的 时间状语有 by then,by the end of,by the time 等。表示愿望、打算等的动词，如 hope,want,expect,think,meansuppose,intend,plan 等后接从句时'，一般用过去完成 时表示原本打算实现而未实现的愿望和计划。Activity 2 Observe and analyse the sentence patterns.(l)lt was the first time that I had visited the Great Wall.(2)lt was three years since he had joined the army.(3)Hardly had he got into his big office when the telephone rang.(4)No sooner had he arrived than he was asked to leave again.Summary 3(l)lt/That was+the first/second.+time+that 从句,从句谓语常用过去完成时。(2)lt was+一段时间+since从句，从句谓语用过去完成时。在句型Hardly/Scarcely.when和No soonerthan中，主句常用过去完成 时，从句用一般过去时，表示"一就。Activity 3 Observe and analyse the basic usages of the past perfect passive voice.(l)By the time he got to the school,the first period had been finished.The classroom hadn't been cleaned before the teacher came in.(2)They said the production costs had been reduced.The boy was reminded that his homework had not been handed in.(3)As the assignment had been done,he went on to search the Internet.He did what he had been told to.Summary 4(1)表示在过去某一时间以前已经完成的动作，常与by,before等词引导的时间 状语连用。在told,said,knew,heard,thought等动词之后的宾语从句中,若表示过去某一动作与主语存在动宾关系时,用过去完成时的被动语态。根据语意可以判断出动作先后的被动语态用过去完成时。Step团 Practice and promotionActivity 1 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 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.CarokOh. Did you try it?Paul:Oh,yes!You know what? We late for supper that day,so we just ate whatever was left in the university canteen.We our meal before we learnt we just haggis!CarokMy goodness!Paul:Well,it was not bad.I have to say.2 .Carol:When I got to the tea house yesterday,! found nobody there, it ?PaukOhJ'm so sorry that I forgot to tell you!The get-together was cancelled yesterday morning because Sallythe hostess, into a car accident.CarokOhJ'm sorry to hear that.Hope Sally recovers soon!Suggested answers:1 .Had;tasted;had been told;had arrived;had finished;had;eaten.Had;been cancelled;had gotActivity 2 Work in pairs and make a conversation using these sentences.Situation 1When 1 set off for the cafeteria.1 had just finished my homework.1 had ordered a taxi online.the windows had been closed.the light had been switched off.Situation 2Before he went into the chocolate factory.Situation 3By the time I arrived at the “insect" party.Suggested answers: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 had chased the insects down and before long they were all collected in a bottle.A:Then you cooked them?B:Yes.But then they had an another 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 pizza,then sat down and watched a cool movie on the computer.A:Sounds great!Activity 3 Complete the sentences using the correct forms of the words.1 . After being discovered by Dutch explorers in 1606,the eastern half of Australia (claim) by the British in 1770.2 .His sister left home in 1998,and (hear of) ever since.3 .She returned home and found all her furniture (ruin) by the flood.4 .This Monday morning I was informed I (choose) as one of the three exchange students from our college.5 .Arthur was surprised when he (arrive) at home because the tornado (take) the feathers off his chickens.6 .We (leave) the house when the thunderstorm (finish).7 .He (try) to drive back to his home before the flood (pass) through the village.Suggested answers:8 .was claimed 2.has not been heard of 3.had been ruined 4.had been chosen 5.arrived;had taken 6.left;had finished 7.had tried;passedStep 团 Practice8.1 t didn't turn out as I (wish).9 .He hung them above the same table he (move) from Turin.10 His son,age 15,who(take) an art appreciation class,thought that there was something unusual about the one with a young girl sitting on a garden chair.11 A flood (hit) the area earlier that year and the damage it caused had driven away a number of birds.5.1 (hope) to send Peter a gift to congratulate him on his marriage,but I couldn't manage it.6.A few months after he (arrive) in China,Mr.Smith fell in love with the people and culture there.7.Amy,as well as her brothers,(give) a warm welcome before they uttered.8.Our hosts (share) many of their experiences and after that they recommended wonderful places to eat,shop and visit.Suggested answers:l.had wished 2.had moved 3.had taken 4.had hit 5.had hoped 6.had arrived 7,had been given 8.had shared