Unit 4 Looking good,feeling good Grammar and usage 课件-2024-2025学年高一上学期英语译林版(2020)必修第一册

该高中英语课件围绕定语从句中关系副词when、where、why的用法展开，从复习关系代词导入，结合中东战争日期、杨紫琼获奥斯卡等时事例句，通过分类讲解先行词（如when的时间名词、where的地点及抽象地点）和表格总结，搭建学习支架帮助学生衔接新旧知识。 其亮点在于用贴近生活的例句（Temu购物app、TikTok等）提升语言运用能力，通过where抽象地点（situation、news）分类培养思维辨析力，规则总结（分析从句成分选关系词）强化学习策略。学生能准确运用关系词，教师可借助练习和难点区分提高教学效率。

relative words (关系词) relative pronouns (关系代词) relative adverbs (关系副词) who whom that which whose when where why Revision: 定语从句除了由关系代词(who,which,that,whom,whose,as)引导外,还可由关系副词when, where, why引导,它们在从句中分别作时间状语，地点状语和原因状语。 How to use when,where and why in a restrictive relative clause(限制性定语从句)? Let’s explore the rules together. Relative adverbs Lead in On October 7th, a war broke out in the Middle East due to historical reasons. When? Where? Why? On October 7th，2023 was the date __________a war broke out . The middle East is the place _________________ the war broke out on October 7th. The historical issues are the reasons_________________ the war broke out in the Middle East. when where why 用when时，先行词是物，在定从中作时间状语。 I still remember the day when Silico Valley Bank（硅谷银行） went bankrupt(破产). This is the year when Michelle Yeoh(杨紫琼) made history by winning the Oscar(奥斯卡) for lead actress. when where why where where 引导的定语从句修饰的先行词 （1）表示地点的词，如school， house，place等； （2）抽象的地点position、stage、point、situation； （3）隐形的地点：news，story，words、business在定语从句中作地点状语。 This is the house where he was born. 这座房子就是他出生的地方。 Can you think of a situation where the phrase can be used? 你能想出一个可以使用这个词组的场合吗？ 用where时，先行词是物，在定从中作地点状语。 Temu(拼多多) is a shopping app whereAmericans can get free products . TikTok where people share their lives are banned on government devices. when where why why why引导的定语从句修饰的先行词是表示原因的词，在定语从句中作原因状语。 Tell me the reason why you were angry yesterday. 告诉我你昨天生气的原因。 用why时，先行词是reason，why在定从中作原因状语。 There are several reasons why Post Truth(保你平安) has drawn strong reviews（获得强烈评价）. The reason why Flowers are loved by so many people is the lyrics(歌词). when where why 关系副词的作用 ①连接：连接定语从句和主句 ②替代：关系副词=介词+which=介词+先行词 ③成分：在定语从句中作状语 关系副词 先行词 充当从句的成分 when 表时间的名词 （time, moment, day, month, year, period等） 时间状语 where 表地点的名词 （place, house, city, country, world等） 地点状语 why reason 原因状语 5.The school _________ I’m studying is very big. 6.I will never forget the day _________ I first met him. 7.The reason _________ he didn’t come yesterday is not clear. 8.I still remember the day ___________ I first came to this  school.   9.I visited the farm ____________a lot of cows were raised.  10.I don’t know the reason ____________he looks  unhappy today. where when why when where why Discussion 用关系副词填空 Difficult points 关系副词 or 关系代词 Pay attention to the functions of the relative words. Exploring 请用关系代词或关系副词填空： ①I’ll never forget the days ____________ we spent together. ②This is the reason _____________ he gave for his being late. ③Do you like the school __________ we visited last week? ④I don’t like the way ______________________you speak to your father. when (which/that) which/that (in which/that) Rules: 关系代词和关系副词的正确运用： 要想为定语从句确定一个关系词，首先要找出被定语从句修饰的_________，然后再分析定语从句的成分。若定语从句中缺少主语、宾语、表语或定语，则选用____________。若定语从句中不缺主语、宾语、表语或定语，或不需要宾语（谓语动词为不及物动词），则选用____________。 注意：如果定语从句中不缺状语而缺乏的是主语或宾语，即使先行词是时间（如day）、地点（如school）、原因（如reason），连接定语从句也不能用关系副词。 先行词 关系代词 关系副词 $