Unit 4 Everyday Economics Using language定语从句课件-2025-2026学年高二英语外研版（2019）选择性必修第四册

该高中英语课件核心围绕定语从句展开，导课通过“Which one is Harry Potter?”问题，从简单句“The boy is Harry Potter”过渡到含定语从句的“The boy who is wearing glasses is Harry Potter”，结合例句观察分析关系词用法，搭建从已知到未知的学习支架。 其亮点在于情境化导入激发兴趣，结构化表格清晰呈现关系代词与副词的指代对象及成分，分层训练从单句填空到语篇整合。通过实例提升语言能力，培养思维品质，助力学习能力发展，学生能系统掌握语法，教师可高效开展教学。

Unit 4 Everyday economics Section Ⅲ Using language 导课 ●明标 1 Which one is Harry Potter ? The boy is Harry Potter 导课 ●明标 Which one is Harry Potter ? The boy _______________________ is Harry Potter . who is wearing glasses 定语从句 导课 ●明标 复习定语从句 Ⅰ. 观察感悟 1.The place where this happens is a valley, a world away from any television studio. 2.Zhang never thought that this was something she would end up doing. 3.Zhang therefore decided to return to her home town and grow roses, which surprised many people. 自主 ●合作 展示 ●质疑 4 4. As someone who grew up in the country, Zhang already knew about growing plants. 5.However, like any entrepreneur who was just starting out, she still had a lot to learn. 观察上面的句子可知，这些句子中都含有定语从句。第1句中使用 了_______引导的定语从句，修饰先行词The place，关系词在从句中作 ________语；第2句中含有省略了关系词_____的定语从句；第3句中 which引导______________从句；第4、5句中都使用了_______引导的 定语从句，关系词在从句中作主语。 where 地点状 that 非限制性定语 who 自主 ●合作 展示 ●质疑 5 1.概述 （1）定义:用来限制、描绘或说明主句中某一个名词或代词（有时也可以说明整个主句或主句中的一部分）而起定语作用的从句叫作定语从句。它所修饰的对象称为先行词。 点评 ●提升 who is good at English. 定语 主 系 表 She is a girl 定语从句 “单词” “句子” 她是一个擅长英语的女孩。 什么是定语从句？ 6 Harry Potter is a boy who has magic power. 先行词 关系词 定语从句 关系代词 关系副词 which, who, whom, whose, that where, when, why 点评 ●提升 （2）关系词的用法 关系词 指代对象 关系词在从句中所作的成分 关系代词 that 人或物 主、宾、表 which 物 主、宾、表 who 人 主、宾、表 whom 人 宾 whose 人或物 定 as 人或物 主、宾、表 关系副词 when 时间 时间状语 where 地点 地点状语 why 原因 原因状语 点评 ●提升 8 9 关系代词和关系副词的区别 关系代词在定语从句中作主语、宾语、表语、定语 关系副词在定语从句中作状语 点评 ●提升 2.关系代词与关系副词的选用 定语从句的引导词用关系代词还是关系副词可以用以下方法判断： 依据 用法 根据从句的谓语动词 是及物动词，后面若无宾语，用关系代词； 是不及物动词，则用关系副词。 根据关系词在从句 中所作的成分 若关系词在从句中作主语、宾语或表语，用关系 代词，作状语则用关系副词。 This is the factory where he used to work. Is this the museum that/which was built last year? 点评 ●提升 10 3.as与which引导非限制性定语从句的区别 （1）在位置上，as引导的从句可放在主句前、后或中间，而which只能放在主句后。 As the famous militarist once said, attack is the best method of defence. 正如这位著名的军事家曾经所说, 进攻是最好的防守。 I often called them gentlemen, which made them giggle. 我经常称他们为绅士， 这让他们咯咯地笑。 （2）在含义上,as有“正如”之意，而which意为“这一点，这件事”。 He changed his mind again, which made us all angry. 他又改变了主意，这使我们都生气了。 点评 ●提升 11 4.关系词that和which的选择 （1）宜用that不用which的情况 ①当先行词被序数词或形容词最高级修饰时。 This is the most delicious food that I have ever had. 这是我曾吃过的最美味的食物。 ②当先行词是all、little、few、much、everything、nothing、none等不定代词或被这些词修饰时。 All that can be done has been done. 一切能做的都已经做了。 点评 ●提升 12 ③当先行词被the only、the very、the last、the same等修饰时。 This is the very book that I want to buy. 这就是我想买的那本书。 ④当先行词既包含人又包含物时。 They are talking of the heroines and their deeds that interest them. 他们正在谈论他们感兴趣的女英雄及她们的事迹。 点评 ●提升 13 1.The contest _____is scheduled to be held in our school hall on January 18th will focus on the traditional Chinese culture. 2. He is the writer ______you are looking forward to visiting. 3. They live in a house _____windows face north. 4. I still remember the people and things _____I met during my stay in the countryside. 5. This is our form teacher _____ classes are interesting. 6. The building _____the workers are building is our lab. 7. I like the same book ____ you describe. 8. He is such a person _____ is always complaining about something. 训练 •巩固 1.The contest __________is scheduled to be held in our school hall on January 18th will focus on the traditional Chinese culture. 2. He is the writer ________________you are looking forward to visiting. 3. They live in a house _____windows face north. 4. I still remember the people and things _____I met during my stay in the countryside. 5. This is our form teacher _____ classes are interesting. 6. The building __________the workers are building is our lab. 7. I like the same book ____ you describe. 8. He is such a person _____ is always complaining about something. 训练 •巩固 which/that who/that/whom whose that whose which/that as as 关系代词的基本用法 关系代词 先行词 在从句中的成分 who 人 主语、宾语(可省略） whom 人 宾语(可省略） which 物 主语、宾语(可省略） that 人、物 主语、宾语(可省略）、表语 whose 人、物 定语 as 人、物 主语、宾语、表语（在限定性定语从句中，先行词被the same/such/as/so等修饰。在非限定性从句中，代表整个主句） 总结●测评 关系副词 关系副词 先行词 在从句中的成分 when 时间名词 时间状语 where 地点名词或抽象名词（situation, condition, point, case, point, stage, activity等） 地点状语 why reason 原因状语 注意： 1. 关系副词=介词+关系代词。why=for which 2. 表示时间、地点或reason的先行词在从句中作主语和宾语，用关系代词which或that. 总结●测评 语篇填空 There was a time 1.______ I was tired of learning English and disliked speaking English. And this was the reason 2._____ my father forced me to take part in a 30-day training course in an English club before I went to senior high school. When I first came to the club, 3._______ I met many strangers,I missed my parents very much. So I packed up my things and wanted to go home. Fortunately,my guide, 4._______ teacher was Mr. Yu,communicated with me face to face, from 5._______ I gained some useful instructions. He also showed me a good partner,and we got along well with each other. when why where whose 总结●测评 which 18 Gradually I adapted to the life there. Every day I would like to talk to other teenagers and set down a series of activities 6.__________ we did. I should be grateful to my father and the guide, 7._____ encouraged me to fall in love with English. Now I feel it interesting to learn English,into 8._______ I put my entire energies. Every day I read words and passages aloud. Before going to sleep, I recall the passages I have learnt,through 9._______ I can memorize a large number of new words. 10.____ our English teacher says,“As long as you form the habit of learning English every day and have perseverance, you will conquer English sooner or later.” that/which who which which As 总结●测评 Thanks 20 $