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1、2021年春季深圳市线上课程高二英语深圳市教育科学研究院教学材料:外研版高中英语新教材选修第一册教学内容:Unit 5 Revealing Nature第三课时:Using Language执教人: 刘聪/深圳市罗湖区翠园中学 July. 30, 2021In sentence (a), “evolved from a common ancestor” happened first. It indicates the action happened before a certain past action.Observe and saya Darwin suspected that the f
2、inches had evolved from a common ancestor, . b Many people refused to believe that living things, including humans, had evolved from lower forms of life.Look at the sentences from the reading passage and answer the questions. 1 In sentence (a), which action happened first, “suspected” or “evolved fr
3、om a common ancestor”? Darwin suspected the finches evolved from a common ancestor Past perfect: had done2 In sentence (b), which action happened first, “refused to believe” or “ evolved from lower forms of life”? 3 What does the structure had done indicate?people refused to believeliving things evo
4、lved from lower forms of lifeIn sentence (b), “evolved from lower forms of life” happened first. Now look for more sentences with the past perfect tense in the reading passage, and summarise its use in your own words.1. It was a young man who had left medical school without completing his degree. 2.
5、 Whats more, he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family”. 3. After Darwin had spent some time in South America, his room on the ship was crowded with samples of the plants and animals he had collected.Have A L k4. At that
6、 time, people believed that all species had appeared on Earth at the same time, and had not changed since.5. It seemed their beaks had evolved according to what food was available on that particular island.6. Over time, it had slowly evolved into many new species.1. It was a young man who _medical s
7、chool without completing his degree. 2. Whats more, he _ recently _ a letter from his father predicting that he would be “a disgrace to yourself and all your family”. 3. After Darwin _ some time in South America, his room on the ship was crowded with samples of the plants and animals he _.Have A L k
8、had left hadreceivedhad spenthad collectedgo Ready?4. At that time, people believed that all species _ on Earth at the same time, and _since.5. It seemed their beaks _ according to what food was available on that particular island.6. Over time, it _slowly _ into many new species.had appearedhad not
9、changedhadevolvedhad evolvedFocus on 基本用法Past perfect 过去完成时 基本结构 基本用法 常用固定句型1. 过去完成时的构成为: 肯定式为_; 否定式为_; 被动式为_。 ShesaidshehadneverbeentoParis.她说她从未去过巴黎。 I didnt know the way to Johns house because I hadnt been there before.我不知道去约翰家的路,因为我之前没去过。 The work had been finished by us last Friday.我们在上星期五完成了这项
10、工作。had donehad not donehad been done过去完成时的基本用法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。 Before we got to the train station, the train had already left. 我们到达火车站之前,火车就已经离开了。 Before I could say “thank you”, he had run away. 我还没来得及说谢谢,他就跑开了。2. 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 t
11、ime。 By the end of last term, we had learnt 2,000 English words. 到上学期期末为止,我们已经学习了2,000个 英语单词了。They had lived there for ten years by then. 到那时为止,他们已经在那住了10年了。3. 表示愿望、打算等的动词,如hope, want, expect, think, mean, suppose, intend, plan等后接从句时,一般用过去完成时表示本打算实现而未实现的愿望和计划。 I had intended to meet him at the airpo
12、rt, but I had an important meeting to attend. 我本打算去机场接他,但是我有个重要的会 议要参加。 I had hoped to take a holiday this year but I was not able to get away. 我原打算今年去度假,可是我离不开。1) It/That was+ the first/ second+ time+ that从句,从句谓语常用过去完成时。It was the first time that I had visited the Great Wall.这是我第一次参观长城。2) It was+一段
13、时间+since从句,从句谓语用过去完成时。It was three years since he had joined the army.他参军三年了。过去完成时用于一些固定句型:3) 在句型Hardly/Scarcelywhen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”。 Hardly had he got into his big office when the telephone rang.他刚进入他的大办公室,电话铃响了。 No sooner had he arrived than he was asked to leave again.他刚
14、到就被要求离开。Complete the paragraphs with the information from the given sentences. The sentences are in the order in which they happened. They can help you to decide the use of tenses.P53 2beganhad led todevelopedchose tohad madeComplete the online encyclopaedia entry with the correct form of the words
15、in the box.P53 3had introducedcompetedarrivedhad livedeatendeclinedWork in pairs. Act out a role-play using the information in Activity 3. One of you will play the keeper of Lonesome George, and the other will play the reporter asking about George. Use the past perfect tense where appropriate.P53 41
16、. I _ to send Peter a gift to congratulate him on his marriage, but I couldnt manage it . (2019天津卷)A. had hoped B. am hopingC. have hopedD. would hope2. A rescue worker risked his life saving two tourists who _(trap) in the mountains for two days. (2018北京)3. I was sent to the village last month to see how the development plan _ (carry out) in the past two years. (2018江苏)直击高考had been trappedhad been carried outSummary过去完成时主要用来表示在过去之前发生的事或做的动作,即过去的过去,通常与
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