UNIT 1 Period 3 Discovering Useful Structures-【优学精讲】2025-2026学年高中英语必修第二册教用课件（人教版）

该高中英语课件聚焦限制性定语从句，系统讲解关系代词、关系副词、“介词＋关系代词”引导的用法及注意事项。通过典型例题导入，结合教材例句分模块递进解析，构建从基础到复杂的学习支架，帮助学生梳理语法脉络。 其亮点在于“详析探究”与“即时检验”结合，依托教材实例和生活场景句提升语言能力，通过规则表格归纳和注意事项培养思维品质，课堂微练（单句填空、句型转换）即时巩固学习能力。学生能系统掌握并应用于写作，教师可高效开展语法教学。

Period 3　Discovering Useful Structures 1 限制性定语从句(3) 要以详析 探究语法 1 课堂微练 即时检验 2 内 容 索 引 要以详析 探究语法 PART 01 第一部分 一、关系代词引导的限制性定语从句   (1)(教材P4) Water from the dam would likely damage a number of temples and destroy cultural relics that were an important part of Egypt's cultural heritage. 水坝泄流可能会破坏许多寺庙，摧毁一批文物，而这些文物是埃及文化遗产的重要组成部分。 返回导航 (2)(教材P4) After listening to the scientists who had studied the problem, and citizens who lived near the dam, the government turned to the United Nations for help in 1959. (埃及)政府在听取了研究该问题的科学家以及居住在水坝附近的居民的意见后，于1959年向联合国寻求帮助。 (3)If there was anyone whom she could turn to, it would be Mr.Robert. 如果她可以向谁求助的话，那这个人一定是罗伯特先生。 返回导航 (4)In front of her was a snowman whose head shattered into pieces on the snow. 在她面前的是一个雪人，它的头在雪地上摔得粉碎。 (5)This is the same book as I lost last week. 这本书跟我上周丢失的那本一样。 返回导航 关系代词引导的限制性定语从句是指由that、which、who、whom、whose、as作关系词的限制性定语从句。它们的具体用法如下表： 类别 引导词 功能(在从句中所作成分) 关系 代词 that 主语、宾语(代替人或物) which 主语、宾语(代替物) who 主语、宾语(代替人) whom 宾语(代替人) whose 定语(代替人或物) as 主语、宾语、表语(代替人或物) 返回导航 二、关系副词引导的限制性定语从句   (1)(教材P4)There comes a time when the old must give way to the new, and it is not possible to preserve everything from our past as we move towards the future. 新旧更替的时代已经到来，在走向未来的过程中，我们不可能将过去的一切都保存下来。 返回导航 (2)(教材P4)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. 人们将寺庙和其他文化遗址逐块拆解，运至一个不受河水侵袭的安全地带，再按原样复原。 (3)The reason why people choose to live in the city is that the life in the city is more convenient and colorful. 人们选择生活在城市的原因是城市的生活更方便、更多彩。 返回导航 关系副词引导的限制性定语从句是指由when、where、why作关系词的限制性定语从句。它们的具体用法如下表： 类别 引导词 功能(在从句中所作成分) 关系 副词 when 时间状语(代替表时间的先行词) where 地点状语(代替表地点的先行词) why 原因状语(先行词是reason) 返回导航 三、“介词＋关系代词”引导的定语从句   (1)This view from the mountain shows off some of the red maples for which the region is famous. 从山上所看到的景观展示了一些红枫树，该地区因此而闻名。 (2)This is the camera with which he often takes photos.　这就是他经常用来拍照的相机。 返回导航 (3)I am good at spoken English, as a result of which I can communicate with foreigners fluently. 我擅长英语口语，因此我能够流利地和外国人交流。 (4)Julie is good at German, French and Russian, all of which she speaks fluently.　朱莉擅长德语、法语和俄语，这三种语言她都说得流利。 (5)We plan to hold an English drama festival, the theme of which/of which the theme is Love English & Love Drama．　我们计划举办一个英语戏剧节，主题是“热爱英语&热爱戏剧”。 返回导航 “介词＋关系代词”中介词的判定依据： 1．根据定语从句中动词或形容词的搭配习惯； 2．根据与先行词搭配的具体意义； 3．根据句子所表达的意思； 4．表示所属关系或整体中的一部分时，通常用介词of； 5．“the＋名词＋of＋which/whom”或“of＋which/whom＋the＋名词”引导的定语从句，可与“whose＋名词”替换。 返回导航 四、使用定语从句时需注意的问题   (1)Is there anything that I can do for you? 有什么我可以为你做的吗？ (2)We'll never forget the first lesson that our English teacher gave us. 我们永远不会忘记英语老师给我们上的第一节课。 (3)The only thing that I can do is to have a rest. 我唯一能做的事情就是休息。 返回导航 (4)They talked about the man and the things that they remembered. 他们谈论着他们所记得的那个人和那些事。 (5)I can think of many cases where students know a lot of words but don't write a good essay. 我能想起很多情况，在这些情况下，学生知道很多单词，却写不出好的文章。 返回导航 1．用that不用which的限制性定语从句： (1)先行词为不定代词时，如all、everything、something、much、nothing、anything、little、none、no one等； (2)先行词被形容词最高级、序数词修饰，或本身就是形容词最高级、序数词时； 返回导航 (3)先行词被the only、the very、the last、just、all、every、no、little、few、any等修饰时； (4)先行词既指人又指物时； (5)当主句是以which或who开头的疑问句时。 2．当先行词是case、point、situation、condition等词且从句中缺少状语时，常用where引导定语从句。 返回导航 课堂微练 即时检验 PART 02 第二部分 Ⅰ. 单句语法填空 1．The teacher told me that Tom was the only person _____________ I could depend on. 2．This is the pilot with _____________ my brother has worked for ten years. 3．We will be shown around some places _____________ the visitors seldom visit. that whom which/that 返回导航 4．The English Corner is an activity _____________ we can practice our spoken English. 5．I will never forget those years _____________ I lived in the countryside with the farmers. 6．The teachers and the students _____________ were present at the meeting were very excited. 7．Do you know the reason _____________ he didn't attend the meeting yesterday? 8．I'd like you to explain the reason _____________ which you were late for the class this morning. where when that/who why for 返回导航 Ⅱ.语法与写作(用本单元语法点进行句型转换) 1．He will visit the famous dam in two weeks. It was built in 1900. →He will visit the famous dam ______________________________ in two weeks. 2．The student will donate some books to the children in rural areas. We saw him at the school gate. →The student ____________________________________ will donate some books to the children in rural areas. which/that was built in 1900 (who/whom/that)we saw at the school gate 返回导航 3．There are a number of proposals.We are considering them. →There are a number of proposals ____________________________． 4．I like the book. The book was recommended by the teacher. →I like the book ______________________________________． 5．I want to talk to the boys. Their homework hasn't been handed in. →I want to talk to the boys ____________________________________． (that/which) we are considering that/which was recommended by the teacher whose homework hasn't been handed in 返回导航 $