Unit1 Cultural Heritage Discovering Useful Structures 课件-2025-2026学年高中英语人教版必修第二册

Unit 1 Cultural Heritage Discovering Useful Structures（第3课时） 高一英语备课组 2026.3 基础教育精品课 By the end of this period, you are able to : 1.reivew the usage of the relative pronouns and relative adverbs. 2.rewrite sentences by using relative clauses 3.apply the relative clauses to writing. After this class, we’ll be able to Learning objectives Task1: 复习教材语法 (填入正确的关系词) 1. The team ______ Lang Ping had built was falling apart. (B1 U3) 2.The Boys and Girls Club _________ he started in Chicago has been helping young people since 1996. (B1 U3) 3.Two thirds of the people _______ lived there were dead or injured. (B1U4) 4.Then I read an article _______ said instead of asking “Am I fat?” (B1U4) that which who that 结论：以上这些定语从句都是__________引导的定语从句。 关系代词 Task1: 复习教材语法 (填入正确的关系词) 1. It was a time people were divided geographically leading to many varieties of dialects and characters. (B1 U5) 2.There are many reasons this has been possible,...(B1 U5) 3.Emperor Qinshihuang united the seven major states into one unified country the Chinese writing system began to develop in one direction. (B1U5) 结论：以上这些定语从句都是__________引导的定语从句。 关系副词 when why where 定语从句 定义 结构 在复合句中，修饰 或 的句子, 作用相当于？ 从句 先行词 关 系 词 关系 副词 (地点状语) (时间状语) (原因状语) =介词 + which 类型 限制性定语从句 非限制性定语从句(关系词前有,) 教学目 Review 主语 宾语 定语 人 物 先行词 充当成分 Step 1 Step 2 Step 3 识别定从，找到先行词 判断先行词代指人还是物 判断从句中缺少什么成分 选定恰当的关系词 步骤 The usages of relative words(关系词) Examples Rules 1. After listening to the scientist who had studied the problem, and citizens who lived near the dam, the government turn to the United Nations for help. 先行词指代 ，且在定语从句中作主语时，使用关系代词 ________ 2.Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water. 关系词是__________ 指______ (时间?/地点?/ 原因?),在定语从句中作__________(主语?/宾语?/ 地点状语?) who/that where Observation Look at the sentences below and underline the relative pronouns and adverbs. 地点 地点状语 指人 主语 指物 人 Find more sentences containing relative clauses from the text on page 4. Para.1-2 (Group1-2) Para.4(Group3-4) Para.5(Group5-6) Para.6(Group7-8) Discover Find more sentences containing relative clauses from the text on page 4， analyze the use of the relative pronouns and adverbs, and complete the following chart. Discovery Examples Discovery 1. Not only had the countries found a path to the future that did not run over the relics of the past, but they ...(Para.5) 先行词：_______ 关系词：________ 关系词在从句中的成分： ________ 2. Perhaps the best example is shown by UNESCO, which runs a programme that prevents world cultural heritage sites around the world from disappearing.(Para.6) 先行词：________ ________ 关系词：________ ________ 关系词在从句中的成分： ________ path that 主语 UNESCO which programme that 主语 Discovery Examples Discovery 3. There comes a time when the old must give way to the new...(Para.1) 先行词：_______ 关系词：________ 关系词在从句中的成分： ________ 4. The reason why scientists worked together day and night to rescue the temple is that they wanted to preserve it for the next generation.(Para.6) 先行词：________ 关系词：________ 关系词在从句中的成分： ________ time when 时间状语 why reason 原因状语 Find more sentences containing relative clauses from the text on page 4， analyze the use of the relative pronouns and adverbs, and complete the following chart. 11 Tips： 找 换 连 Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice 先行词 找相同 定主从句 连 换 找 三步曲 连主从 换关系词 连接主句从句 Example: I have downloaded that free app, but it doesn’t work well. object (宾语) in the relative clause relative pronoun which/ that The free app(which/that) I have downloaded doesn’t work well. main clause relative clause free app head noun The free app doesn’t work well. I have downloaded that free app. 指物 找 换 连 教学目 Practice 1. He showed me a photo in his room. It was a photo of a famous cultural relic in Egypt. The photo _______________________________________________________ __________________________________ that/ which he showed me in his room was a photo of a famous cultural relic in Egypt. Rewrite the sentences using relative clauses. (Page 6, Activity 2) 1.Which pronouns can be deleted in your sentences? 2.What is the head noun? 3.What is the function of the head noun in the main clause? 4.What relative pronoun or adverb should be used? 5. What is the function of relative pronoun or adverb in the relative clause? 教学目 Practice Activity 1 2. The project team helped protect the national parks in the United Republic of Tanzania. It was formed by members from 15 countries. The project team _______________________________________________ ___________________________________________________________. which/ that was formed by members from 15 countries helped protect the national parks in the United Republic of Tanzania Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice 3. This temple was first built during the Qin Dynasty. The time ___________________________________________________. The time was during the Qin Dynasty. This temple was first built during the time. Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice The time when this temple was first built was during the Qin Dynasty. 4. We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a difficult structure. The professional archaeologist ____________________________________ ________________________________________________________________ __________ （whom/who/that）we met at the entrance to the Great Pyramid explained to us the process of building such a difficult structure. Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice The place where I found the documents about the cultural relics from overseas yesterday is under the desk. The place is under the desk. I found the documents about the cultural relics from overseas yesterday at the place. Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice 5. The documents about the cultural relics from overseas are under the desk. I found them yesterday. The place ___________________________________________________ ______________________________. 6. Scientists worked together day and night to rescue the temple because they wanted to preserve it for the next generation. The reason ________________________________________________________ The reason is that they wanted to preserve it for the next generation. Scientists worked together day and night to rescue the temple for the reason. Rewrite the sentences using relative clauses. (Page 6, Activity 2) 教学目 Practice The reason why scientists worked together day and night to rescue the temple is that they wanted to preserve it for the next generation. Activity 2 定语从句在写作中的应用 Translation: （自我介绍）1. 我是李华，一名来自高一12班的学生。 （邀请信）2. 我写信想要邀请你参加下周五举办的英语演讲比赛。 （建议信）3. 这里有一些可能对你有帮助的建议。 （推荐信）4. 这是一本我认为你会感兴趣的书。 （感谢信）5. 谢谢你给我的帮助。 I am Li Hua, who is a student from Class 12, Grade 1. I am writing to invite you to take part in the English Speech Competition that will be held next Friday. Here are some suggestions that may help you. Here is a book that I think you will be interested in. Thank you for the help that you have offered me. Activity 2 定语从句在写作中的应用 Translation: （写人） 1. 他是一个善良的人，总是帮助有需要的人。 2. 她带着微笑，让身边的人都感到温暖。 （写动作）3. 她紧紧握着妈妈送给她的礼物。 （写心理）4. 一阵悲伤涌上心头，让我几乎落泪。 5. 我感到一种从未有过的自豪感。 （写结局感悟） 6. 那是一次彻底改变我人生的经历。 He was a kind man who always helped others in need. She wore a smile that made everyone around her warm. She held the gift that her mother gave her tightly. A wave of sadness swept over me, which made me close to tears. I felt a sense of pride that I had never experienced before. It was an experience that changed my life completely. Assignment 1. Make a short summary of the major functions of the relative words in a table or mind map after class. 2.Use restrictive relative clause to describe your favourite person or thing. $