Unit5 Period2 Using language（表格式教学设计）英语外研版选择性必修第一册

该高中英语教学设计聚焦过去完成时（结构had+过去分词，表“过去的过去”及持续动作），通过视频、播客听力激活生物多样性认知，衔接前期达尔文、进化论知识，搭建加拉帕戈斯群岛主题语境支架，引导从语言输入到输出。 特色为语境化语法与PWP模式结合，Pre-reading导入群岛词汇，While-reading从语篇提取句子归纳语法，Post-reading以生物多样性演讲产出。融合语言能力（演讲运用语法）、文化意识（保护生物多样性）、思维品质（分析动作时间逻辑），如孤独乔治语篇填空实例，助力学生语法运用与主题表达，为教师提供完整教学流程与分层作业。

Unit 5 Revealing nature Period 2 Using language教学设计 教学基本信息 单元名称 选择性必修第一册Unit 5 Revealing nature 学科 英语 学段 高中 年级 高二第一学期 主要教材 书名：普通高中教科书·英语选择性必修第一册 出版社：外语教学与研究出版社 出版日期：2020年6月 课时安排 2课时(80min) 课型 阅读课 教学设计理念 1.语境化语法教学：以加拉帕戈斯群岛生物多样性为真实语境，将过去完成时的语法学习融入有意义的主题阅读中，避免脱离语境的机械操练，使学生在理解和表达中自然习得语法规则。 2.PWP阅读教学模式：采用Pre-reading（导入激活）→ While-reading（语篇阅读与语法发现）→ Post-reading（语法操练与产出演讲）的教学流程，层层递进，引导学生从语言输入走向语言输出。 3.学科核心素养融合：将语法学习与主题意义探究有机结合，通过学习加拉帕戈斯群岛物种的进化历史与生存现状，引导学生在语言学习中形成保护生物多样性的意识，实现语言能力与思维品质、文化意识的协同发展。 教材分析 【What】 本课为外研版选择性必修第一册 Unit 5 Revealing nature 的 Using language 板块，是一节语法与阅读融合课。教学内容围绕加拉帕戈斯群岛（Galapagos Islands）的生物多样性展开，阅读语篇为百科词条体裁，介绍了圣克鲁斯岛上的象龟保护区、伊莎贝拉岛的红树林以及圣克里斯托瓦尔岛的鬣蜥等独特物种。语法聚焦过去完成时（past perfect tense）的结构与用法，包含两项核心功能：①表示过去某一时刻或某一动作之前已完成的动作或状态；②表示过去某一时间之前一直持续的动作或状态。 【Why】本单元主题为"揭示自然"，Using language 在此基础上，以加拉帕戈斯群岛的真实物种为载体，进一步引导学生认识生物多样性的独特价值与保护的紧迫性，深化对"人与自然和谐共生"主题的理解。过去完成时是高中英语语法体系中的重要时态，在阅读理解与书面表达中出现频率高。本课时将语法学习与主题语境深度融合，使学生在描述物种进化历程、人类活动对生态影响等有意义的语境中自然习得过去完成时的用法，实现形式-意义-使用的统一。 【How】Lead in 环节通过播客听力激活学生对最古老生命形式的背景知识，并引入加拉帕戈斯群岛的词汇和主题语境；Presentation 环节引导学生从阅读课文中提取含有过去完成时的句子，通过观察、比较和归纳，自主总结过去完成时的结构和用法；Practice 环节设计了袁隆平杂交水稻、门德尔遗传学研究以及孤独乔治象龟等语篇填空练习，巩固过去完成时的运用；Production 环节以2025年国际生物多样性日为背景，要求学生分组准备保护生物多样性的演讲稿，在真实语境中综合运用所学语法和话题语言。 学情分析 1. What I Know 词汇方面：学生在前期学习中已掌握部分与动植物相关的基础词汇，通过 Starting out 课时的学习，对达尔文、进化论、加拉帕戈斯群岛等话题有了初步认知。 语法方面：学生在初中及必修阶段已系统学习了一般过去时、一般现在时、现在完成时等基本时态，能够用一般过去时描述过去发生的事情。在阅读课文中已接触含有过去完成时的句子，但尚未进行系统学习。 背景知识：学生对加拉帕戈斯群岛的独特物种有好奇心，但对其具体的生物多样性价值、物种灭绝原因及保护现状了解有限。 2. What I Want to Know 主题内容：加拉帕戈斯群岛上有哪些独特的物种？它们的进化历程是怎样的？人类活动对这些物种造成了哪些影响？我们能做些什么来保护生物多样性？ 语言知识：过去完成时的结构是什么？它与现在完成时有什么区别？在什么语境下需要使用过去完成时？ 3. What I Learned 主题内容：通过本课学习，学生能够深入了解加拉帕戈斯群岛象龟、红树林、鬣蜥等代表性物种的生存现状与进化历史，认识到人类活动对岛屿生态系统的深远影响，增强保护生物多样性的责任意识。 语言知识：学生能够系统掌握过去完成时的结构（had + 过去分词）和两种核心用法，能够在阅读中识别其语篇功能，在口头和书面表达中准确运用。 教学目标 1. 语言能力 能够识别并理解过去完成时的结构及其两种核心用法：①表示过去某一时刻或动作之前已完成的动作或状态；②表示过去某一时间之前一直持续的动作或状态；能够在加拉帕戈斯群岛生物多样性的语境中，运用过去完成时准确描述物种的进化历程和生态变化；能够理解并运用话题词汇进行主题表达。 2. 学习能力 能够通过观察、比较含有过去完成时的句子，自主归纳语法规则，发展语言分析能力；能够通过小组合作完成保护生物多样性的演讲任务，提升协作学习与表达沟通能力。 3. 文化意识 能够通过了解加拉帕戈斯群岛独特的生物多样性，认识自然遗产的珍贵性，增强敬畏自然、保护生态的意识；能够通过探讨人类活动对物种灭绝的影响，树立人与自然和谐共生的理念。 4. 思维品质 能够通过分析过去完成时的使用情境，理解动作发生的时间先后关系，培养逻辑思维能力；能够在演讲活动中综合运用所学语言和话题知识，提升思维的逻辑性和表达的系统性。 教学重难点 教学重点 掌握过去完成时的结构（had + 过去分词）和两种核心用法。 教学难点 在真实的语言产出（保护生物多样性演讲）中，能够根据语境需要灵活、准确地选择和使用过去完成时。 教学资源 课件PPT，黑板、白板。 教学活动设计 教学过程 活动形式及步骤 活动意图 时间 学习理解 Activity 1 Lead in 1.Enjoy a video about different life forms on earth. 2.Listen to the podcast and answer the questions. ①What is the oldest life forms on earth? ②What kind of the oldest life form is mentioned in the material? 答案：1. microorganism 2. bacteria 3. Complete the paragraphs. The Galapagos Islands are renowned worldwide for their unique biodiversity.The Giant Tortoise Reserve on Santa Cruz 1 several species of giant tortoise that 2 the Galapagos Islands. The island is also home to the Charles Darwin Research Station, where 3 studies are carried out. Mangroves are one of the coastal plants that grow on Isabela. They serve as the 4 for various birds and fish, and are very important to the 5 . Iguanas can be found on San Cristobal.They have a very special 6 ,with comb-like spines on their back. There is evidence that all the different iguanas have developed from more 7 ones and share a comm 8 . 答案：1. is home to 2. are native to 3. scientific 4. habitats 5.ecosystem 6. appearance 7. primitive 8. ancestor ●通过观看视频，激发学生对生物多样性的认知，激活学生的背景知识，为接下来的学习做好铺垫。 3mins Activity 2 Presentation ①Look at the sentences from the reading passage and answer the questions. a.Darwin suspected that the finches had evolved from a common ancestor, b.Many people refused to believe that living things, including humans, had evolved from lower forms of life. 1. In sentence (a), which action happened first, "suspected" or "evolved from a common ancestor"? 2. 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? 答案：1. evolved from a common ancestor 2. evolved from lower forms of life 3. It indicates the action happened before a certain past action. ②Now look for more sentences with the past perfect tense in the reading passage, and summarize its use in your own words. 1. It was a young man who had left medical school without completing his degree. 2. ... 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 crowed with samples of the plants and animals he had collected. 4. At that 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. 答案： 肯定句 主语＋had＋过去分词＋其他 否定句 主语＋ had＋not＋过去分词＋其他 一般疑问句 Had＋主语＋过去分词＋其他？ 特殊疑问句 特殊疑问词＋had＋主语＋过去分词＋其他？ Past perfect · Form:had done · Function:过去某一时刻或某一动作之前已完成的动作或状态，也可以说是“过去的过去”。 · Difference b/t past perfect and present perfect:时间参照不同 现在完成时 过去完成时 Past now future ●通过阅读文章并回答问题，总结完成时态的相关用法。 7mins Activity 3 Practice 1. Complete the paragraphs with the information from the given sentences. 1. a Natural disasters led to food shortages in the 1960s. b Yuan Longping began to do research on hybrid rice. c Yuan Longping developed a better type of rice. Yuan Longping 1 to do research on hybrid rice because natural disasters 2 food shortages in the 1960s. In the end, he 3 a better type of rice. 2. a. Gregor Mendel chose to study pea plants because their characteristics were easy to control. b. Gregor Mendel made important discoveries about genetics. c. Gregor Mendel died in 1884. Gregor Mendel 4 study pea plants because their characteristics were easy to control. By the time of his death in 1884, he 5 important discoveries about genetics. 答案：1. began 2. had led to 3. developed 4.chose to 5.had made 2.Complete the online encyclopedia entry with the correct form of the world. Lonesome George was the last Pinta Island tortoise. He died in 2012. After George's death, the Pinta Island tortoise was declared extinct.The extinction of the Pinta Island tortoise is blamed on humans.Before humans 1 on the island, the species 2 in isolation and 3 the plants that naturally grew there. George was discovered many years after their arrival, and by then humans 4 new species that 5 for the food the tortoises ate. After goats in particular had been brought to the island, the Pinta Island tortoise population 6 Eventually,only George remained. 答案：1. arrived 2. had lived 3. eaten 4.had introduced 5.competed 6.declined ●通过活动检验学生读句子后对完成时态的理解。 25mins Activity 4 Production group work Prepare a speech to call on people to help maintain the biodiversity!You should include the analysis of the current situation and measures to protect it. Try to use past perfect form. 答案：Today I’d like to call on everyone to protect biodiversity. Up to now, human activities have brought great harm to nature. Many wild animals have lost their homes because of pollution and over‑hunting. Some species have already disappeared from the earth. We have realized that biodiversity is closely connected with our daily life. However, we have not done enough to stop the terrible situation. Many habitats have been destroyed, and lots of plants and animals are facing the danger of dying out. If we do not take action soon, we will lose more precious natural treasures. It is high time that we took practical measures. First, we should refuse to buy products made from wild animals. Second, we need to plant more trees and keep our environment clean. Besides, we can spread knowledge about wildlife protection to people around us. ●通过小组讨论,分享维持生物多样性的意义，达到学以致用，提高英语表达能力。 5mins 应用实践 Activity 5 Summary form：had done function： 1.过去某一时刻或某一动作之前已完成的动作或状态 2.过去某一时间之前发生的动作或存在的状态一直持续到那时，并可能继续下去 past perfect ●使用思维导图帮助学生系统化地掌握完成时态的规则。 10mins Activity 6 Assessment Content Standards Starts(1-3) self-assessment Can I use past perfect form to complete the sentences ? ☆ ☆ ☆ Mutual evaluation Does my partner's dialogue sound natural and smooth? ☆ ☆ ☆ ●通过自我评价，帮助学生了解自己的学习情况，提高学习的积极性和主动性。 15mins Activity 7 practice 完成句子 1．It is/ was the first time that sb. have/ has/ had done... 这是某人第一次做…… ______________________________ (这是海伦第一次理解) such a complex word — a word for something she couldn’t touch.   2．他们的钱用光了，不得不放弃这个项目。 Their money ___________________ and they had to abandon the project. 3．该报称汽车公司已经为此次事故道歉。 The newspaper reported that the car company had already ________ ________ the accident. 4．他盯着结果，心如石沉水，意识到所有努力都白费了。 He stared at the result, his heart sinking like a stone in water, ________________. 4. The rumor____________________________________________（那位著名科学家已经离开了这个国家）proved to be completely false. 答案：1. It was the first time that Helen had understood 2．had run out 3. apologized for 4．realizing that all his efforts were in vain/and realized that all his efforts had been wasted 5．that the famous scientist had left the country ●教考衔接——通过提炼语言点和练习，让学生了解本篇文章中的重要知识点。 10mins 迁移创新 作业内容 作业设计意图 3mins 本节课作业二选一，为分层作业，难度有所区别。基础一般的同学可以选择作业二，基础较好的同学可以选择作业一。 二选一 1. 用过去完成时写出四个句子 答案：1. I had finished my homework before my mother came back. 2. He had left the city when we arrived. 3. She had read this book twice last year. 4. They had eaten dinner before it rained. 2. 短文填空 How this could be done was a challenging question at the time. Yuan was    1    that the answer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. One characteristic of hybrids is that they usually    2   a higher yield than conventional crops. However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common    3    then was that could not be done. Through intense effort, Yuan    4    enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974. This hybrid enabled farmers to expand their    5    greatly. 答案：1．convinced 2．attain 3．assumption 4．overcame 5．output ●通过写作练习，让学生在真实的语境中运用所学知识，提高学生的语言综合运用能力、逻辑思维和表达能力。 板书设计 Unit 5 Revealing nature Using language过去某一时刻或某一动作之前已完成的动作或状态，也可以说是“过去的过去” 时间参照不同 had done Past Tense 教学反思 优点：遵循新课标理念，采用语境化语法教学，结合 PWP 教学模式，注重四维核心素养培养，渗透保护生物多样性的德育。教材、学情分析到位，教学目标重难点清晰，课堂活动形式多样。 缺点：语言输出活动时间太短；评价环节只有标题，无具体评价标准。语法讲解不均衡，对过去完成时表持续的用法训练不足，时态对比不够；素材存在少量拼写、时态错误。 1 / 11 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $