Unit 1 Period 3 Discovering Useful Structures（课件）英语人教版2019必修第二册

该高中英语课件聚焦定语从句语法知识，系统讲解限制性与非限制性定语从句的区别、关系代词用法及“介词+关系代词”结构，通过英文歌词导入创设情境，复习先行词、关系代词等旧知后过渡到新知，构建从基础到进阶的学习支架。 其亮点在于采用任务型教学法，如pair work定义游戏、故事接力活动，提升学生语言运用能力，对比分析两种从句培养思维品质，分层作业兼顾不同水平。学生能在实践中掌握语法，教师可直接使用结构化内容高效开展教学。

高中英语人教版2019必修第二册 Unit 1 Cultural Heritage Discovering Useful Structure Learning objectives Distinguish between restrictive and non - restrictive attributive clauses, and understand when to use commas appropriately in non - restrictive clauses. Apply relative pronouns accurately in different contexts, avoiding common errors such as incorrect pronoun selection or omission in restrictive clauses. Analyze and compare different types of attributive clauses to improve critical thinking skills, being able to judge the semantic and syntactic differences between them. Enhance the understanding and respect for different cultures, as cultural heritage is an important carrier of culture. 目录 CONTENTS Lead In Homework Practice Summary Assessment Production Presentation 01 Lead in She sings to the moon and the stars in the sky， 她向天上的月亮和星星唱歌， Shining from high above you shouldn’t ask why， 那样高高闪耀 你又怎么知道为什么， She is the one you’ll never forget， 见过她你便永远不能忘记， She is the heaven-sent angel you met， 见过她你便知道她是天使， Oh, she must be the reason God made a girl， 噢，她就是上帝制造女孩的原因， She is so pretty all over the world. 即使走遍全世界 她也是如此的美丽。 that (who/that) why Review She is the one ( that you’ll never forget. ) 先行词 定语从句 关系代词 被定语从句所修饰的名词或代词。 1. 连接作用，连接主从句； 2. 指代先行词，甚至整个主句； 3. 在从句中充当句子成分。 在复合句中，修饰某一名词或代词的从句，其作用相当于形容词。(充当定语的从句) 定语从句一定放在先行词之后(被修饰的名词或代词)。 What is attributive clause? 定语从句的关系词 关系代词 关系副词 指人 指物 who (主语, 宾语) whom (宾语) that (主语, 宾语) whose (定语) which (主语, 宾语) that (主语, 宾语) whose (定语) as (主语, 宾语) where (地点状语) when ( 时间状语) why (原因状语) Review 02 Presentation 03 Practice 限制性定语从句与非限制性定语从句的区别 1. 限制性定语从句 There comes a time 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. Temples and other cultural sites were then moved and put back together again in a place they were safe from the water. Here’s a handful of ways will set you in the right direction. 限制性定语从句是先行词在意义上不可缺少的定语，如果去掉，主句的意思就会 。这种从句与主句的关系十分密切，书写时 逗号分开。 when where that 不完整或失去意义 不可用 限制性定语从句与非限制性定语从句的区别 2. 非限制性定语从句 The house, roof was damaged in the storm, needs repair. The book, I bought yesterday, is very interesting. On the 1,100-kilometre journey, the man Cao Shengkang, lost his eyesight at the age of eight in a car accident, crossed 40 cities and counties in three provinces. whose which who 非限制性定语从句只是对先行词做 ，如果去掉，主句的意思仍然清楚、完整。这种从句与主句的关系不是很密切，书写时往往用 与主句分开。非限制性定语从句一般不用 引导。 that 逗号 附加补充或说明 限制性定语从句与非限制性定语从句的区别 3. 限制性定语从句与非限制性定语从句的区别 限制性定语从句 非限制性定语从句 与先行词的关系 标点符号 引导词 先行词范围 是先行词不可缺少的部分，去掉后句意不完整。 是先行词的补充说明，去掉后句意不受影响。 不用逗号隔开。 必须用逗号与主句隔开。 可用 that（指人 / 物），关系代词作宾语时可省略。 不可用 that，关系代词即使作宾语也不可省略。 从句修饰先行词。 从句修饰先行词，前面的整个句子或其中的一部分。 练习 点击练习的按钮，可以跳转到相对应的练习页面。 11 【即学即练】 The museum we visited yesterday displays ancient Chinese paintings. Beijing, is the capital of China, will host the 2025 World Athletics Championships. Students participate in volunteer activities often gain more social experience. The author, I met at a book fair, has written over 20 novels. My grandfather, is 80 years old, still plays chess every day. The novel she recommended to me last week has become a bestseller. 限制性定语从句与非限制性定语从句的区别 限制性定从 非限制性定从 限制性定从 限制性定从 非限制性定从 非限制性定从 that which who/that whom who that/which 限制性定语从句的三种用法 1. 定语从句中关系代词用that不用which的七种情况 (1) 当先行词是all、much、little、few、everything、anything、nothing、none等不定代词或被不定代词all, little, much, few, every, any, no等修饰时。 e.g. I refuse to accept the blame for something was someone else’s mistake. (2) 当先行词被the only、the same、the right、the very、the last等修饰时。 e.g. Mike is the only person was present at that time. (3) 当先行词是形容词最高级或被形容词最高级修饰时。 e.g. The present time is the best gift you can give yourself. that that that 限制性定语从句的三种用法 1. 定语从句中关系代词用that不用which的七种情况 (4) 当先行词是序数词或被序数词修饰时。 e.g. Don’t trust the first sign you see. (5) 当先行词中既有表示人，又有表示物的名词时。 e.g. I can remember well the persons and some pictures I saw in the room. (6) 主句为who或which开头的特殊疑问句或先行词是who, whom, which, what时。 e.g. Which is the car you bought last week? (7) 当先行词是主句的表语，或关系代词在从句中作表语时。 e.g. Jiangsu is no longer the province it used to be. that that that that 练习 【即学即练】 Which is the book you borrowed from the library? We talked about the people and things we remembered. The first thing he did was to call his mother. She is the only person can solve this problem. This is one of the most exciting football games I have ever seen. The GPNP is intended to provide stronger protection for all the species live within the Giant Panda Range. The little money he had was spent on books. 定语从句中关系代词用that不用which的七种情况 that that that that that that that 限制性定语从句的三种用法 2. 定语从句中关系词可以省略的四种情况 (1) 当先行词在定语从句中作宾语时，关系词通常省略。 e.g. I have taken with me the two books (that/which) you asked me to return to the City Library. (2) 当关系代词that在定语从句中用作表语时， 可以省略。 e.g. China is not the country (that) it was. 限制性定语从句的三种用法 2. 定语从句中关系词可以省略的四种情况 (3) 当先行词是way、time、reason等且它们在定语从句中分别作方式状语、时间状语、原因状语时，其后的定语从句中相应的关系词that/in which、when、why/that 等可以省略。 e.g. The reason (why/that) he wanted to sell his house was that he needed a lot of money for his operation. e.g. The way (that/in which) you look at the problem is wrong. e.g. The second time (that) I saw him was in 1980. (4) 当由and、but、or等并列连词连接的两个或两个以上的定语从句修饰同一个先行词时，第一个关系代词可以省略，但第二个及以后的关系词一般不可以省略。 e.g. This is the book (which) I read yesterday and which I found very interesting. e.g. The book (which) you are reading and which is read by many young people is written by Mark Twain. 限制性定语从句的三种用法 2. 定语从句中关系词可以省略的四种情况 练习 【即学即练】 补全下列句中省略的关系词 I don't know the exact time ( ) the sports meet will take place. The exact year ( ) Angela and her family spent together in China is 2008. That was the way ( ) she worked the problem out. The man ( ) you spoke to just now is our English teacher. I believe the reason ( ) Mary gave for her absence from the school. 定语从句中关系词可以省略的四种情况 when which/that in which/that whom/who/that that/which 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 五种构成形式 (1)“名词 (代词)＋介词＋关系代词​”在从句中充当主语，用于描述先行词的所属关系或特征，该结构可灵活转化为“whose＋名词”结构。 e.g. Recently, I bought an ancient vase, whose price was very reasonable. = Recently, I bought an ancient vase, the price of which was very reasonable. (2) “数词 (形容词最高级)＋of＋关系代词​”在从句中担任主语，用于对先行词进行数量限定或特征比较 ，​数词还可以用some、many、most、each等不定代词替换。 e.g. He has ten cousins, the youngest of whom is very clever. 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 五种构成形式 (3) “介词 (短语)＋关系代词​”在从句中充当状语，用于表示时间、地点、方式等逻辑关系 ，关系代词只能用 which（指物）或 whom（指人），且不可省略。该结构常与关系副词（when、where、why）互换。 e.g. Tom is the person about whom you should care. (4) “介词＋关系代词＋名词​”，介词与关系代词（常用 which 和 whose）后接名词，如“for which reason” “in whose house” 。​ e.g. The company faced financial difficulties, for which reason several employees were laid off. 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 五种构成形式 (5)“介词＋关系副词​”，在关系副词where、when前添加介词 from 或 to，如“from where” “to when”。​该结构通常在普通关系副词表意模糊时使用，通过介词增强语境的准确性，但需避免过度使用，以免造成句子结构复杂难懂。 e.g. There is a big window in my room, from where I can see the railway station. 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 选用介词的四个依据 (1) 根据定语从句中谓语动词的搭配习惯 (即固定短语) 选用相应的介词。 e.g. She is the colleague whom I always depend for help. (depend on sb.“依赖某人”) (2) 根据先行词的搭配习惯 (约定俗成，不一定是短语) 选用相应的介词。 e.g. The condition which they agreed to work is high pay. (under the condition “在…… 条件下”) e.g. The wall which he painted a picture is in the living room. (on the wall “在墙上”) on under on 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 选用介词的四个依据 (3) 根据句子的意思来选择介词。 e.g. The money which we can't buy the ticket is lost. e.g. The colorless gas which we cannot live is called oxygen. (4) 表示“所有”关系或“整体中的一部分”时，通常用介词of。 e.g. I have about 50 books, half of which are about how to operate machines. e.g. The class, which 30 students are from abroad, is very diverse. without without of 限制性定语从句的三种用法 3. “介词＋关系代词”引导的定语从句 —— 选用介词的四个依据 注意：在定语从句中，有一些含有介词的动词短语不可拆开使用，如look after、look for等不能把介词移至which或whom之前。 ① The job that he is looking for is challenging. ( ) ② The job for which he is looking is challenging. ( ) ③ The babies whom the nurses are looking after are very healthy. ( ) ④ The babies after whom the nurses are looking are very healthy. ( ) 技巧：固定短语词义依赖介词则不可拆，动词独立表义则可拆。通过还原句子、判断动词及物 / 不及物，可快速避免介词提前错误。 ❎ ✅ ✅ ❎ 练习 【即学即练】 1. The tower which people can have a good view is on the hill. 2. We live in an age which everyone values time very much. 3. Gun control is a subject which Americans argued for a long time. 4. I wanted to find someone whom I could discuss books and music. 5. The reason which she did it is that she wouldn’t let her parents disappointed. 6. This is my pair of glasses, which I can't see clearly. 7. I’ll never forget the time which I spent my childhood in the countryside. 8. The little girl is reading a book, which there are many pictures. “介词＋关系代词”引导的定语从句 from in about with for without during in 04 Production Task 1: Work in pairs and play a game of definitions. One asks the questions below and the other answers them with relative clauses. Work out two more questions of your own. Example: A: What is an exit? B: An exit is the door where/ through which you can leave a building. (library; from/ in which; where) (good friend; to whom; who) (vacation; during which; when) (football coach; from whom; who) Task 2: Carry out an “Attributive Clause Story Relay” in groups, where each student continues the story with a sentence containing an attributive clause, requiring logical coherence. Example: 关键词：ancestral relic（祖传遗物）、ancient village（古村落）、handwritten recipe（手写食谱） 开头句：Last summer, my grandmother gave me a wooden box that had been passed down in our family for six generations. 延续句：The box, which was engraved with strange patterns, contained a map …… 05 Summary 限制性定语从句与非限制性定语从句的区别 限制性定语从句 非限制性定语从句 区别 限制性定语从句的三种用法 关系代词用that不用which的七种情况 关系词可以省略的四种情况 “介词+关系代词”引导的定语从句 关系代词用that不用which的七种情况 当先行词是不定代词或被不定代词修饰 当先行词被the only、the very等修饰 当先行词是形容词做高级或被形容词最高级修饰 当先行词是序数词或被序数词修饰 当先行词中既有表示人又有表示物的名词 当先行词是特殊疑问词或主句为特殊疑问句 当关系代词在从句中做表语 关系词可以省略的四种情况 当先行词在定语从句中作宾语时 当关系代词that在定语从句中用作表语时 当先行词是way、time、reason等且它们在定语从句中分别作方式状语、时间状语、原因状语时 当由并列连词连接的两个或两个以上的定语从句修饰同一个先行词时，第一个关系代词可以省略 “介词+关系代词”引导的定语从句 五种构成形式 介词选用四个依据 根据谓语动词的搭配习惯 根据先行词的搭配习惯 根据句意 表“所有”或“整体的部分”时，用of 06 Assessment Criteria Self-Evaluation Understanding of Key Concepts I can accurately define attributive clauses and identify their components. I understand the differences between restrictive and non-restrictive attributive clauses. Application Skills I can correctly use relative pronouns and adverbs in sentences. I can transform simple sentences into complex sentences with attributive clauses. Error Recognition and Correction I can spot and correct common mistakes in using attributive clauses. Rate yourself on a scale of 1 to 5 (1 = Poor, 5 = Excellent). 07 Homework Basic Level Complete the supporting grammar exercises that were not finished in today's class. Intermediate Level Rewrite the given pairs of sentences into one sentence with an attributive clause, using the provided antecedents. Advanced Level Write a short essay titled “My Favorite Place”, using at least 3 attributive clauses and advanced vocabulary learned in this unit. 谢谢聆听 null 230336.3 $