Unit 5 Languages around the World Discovering Useful Structures 课件-2024-2025学年高中英语人教版（2019）必修第一册

Describe your favourite things Unit 05 新人教必修一 Languages Around the World Definition Review: What is a restrictive clause?structure? 1. 在复合句中, 修饰某一 _____ 或 _____ 的从句叫定语从句。被修饰的名词或代词叫 _______ , 定语从句一般放在先行词的_____ , 引导定语从句的词叫做 _______。 先行词 后面 关系词 名词 代词 先行词 关系词 定语从句 + + 关系代词 关系副词 ? （which, who, whom…） （where, when, why） 找出定语从句、关系词及关系词在从句中的充当的句子成分。 1. It was a time when people were divided geographically. 2. Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. 3. There are many reasons why people learn a foreign language. 4. These were animal bones and shells on which symbols were carved by ancient Chinese people. Step 2. Presentation Eg：I still remember the days when we swam together in the river. 总结关系副词的作用： 指代表示时间、地点、原因的先行词 连接主句和从句 在从句中充当句子成分—状语 先行词 （表示时间） 关系副词 （作状语） 定语从句 关系副词 她是一个滑雪者。 她是一个有天赋的滑雪者。 她是一个选择为中国而战的有天赋的滑雪者。 She is a skier. She is a talented skier. She is a talented skier who chose to fight for China. Guess who she is? step1: Lead-in: Guessing Game She is a talented skier who chose to fight for China. She is a talented skier. step2: observe and analyze 她是一个选择为中国而战的有天赋的滑雪者。 先行词 antecedent 关系词 Relative pronoun 关系词作用： 1. 指代（substitute） 2. 担当成分（play a part） 3. 连接两个句子 (connect) She chose to fight for China. 1 This is the canteen ______ we have lunch. where This is a canteen. We have lunch at the canteen. 定语从句:where where Keep the book in a place __________you can find it. 2. This is the factory __________we worked ten years ago. where 当堂小测 定语从句:where特殊用法 where 抽象名词有：position（位置;处境）,situation（情况;形势），stage（阶段），point（阶段），atmosphere（氛 围），platform (平台；站台；讲台)等等 1. I was trapped in an awkward atmosphere(一个尴尬的气氛)___________ my shorts was broken. 2. They have reached the point ___________ they have to say good bye. where ★不能看到时间就用when看从句缺什么成分 I’ll never forget the day ______ I lived in the mountains. I’ll never forget the day _______________ I spent in the mountains. when that/which/省略 10 when引导的定语从句修饰表示时间的名词 time, hour, day, year, moment, occasion 时刻，age年代，period阶段, stage时期，interval 间隙等词 并在定语从句中作时间状语，相当于介词 （in/on/during)+which I’ll never forget the moment I studied in the classroom. This is the age everyone can be live better. when(in which) when(in which) ★不能看到地点就用where,看从句缺什么成分 This is the house _______ he was born. This is the house _____________ was set up by his parents. where that/which 12 Look at these sentences and underline the restrictive attributive clauses. It was a time when people were divided geographically. 2. Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. 3. There are many reasons why people learn a foreign language. 表示时间、地点及原因的名词作先行词时，先行词在定语从句中作状语时，应用关系副词；若先行词在定语从句中作主语或宾语时，则应用关系代词。 当先行词为表示具体 的名词(如：place, house, airport等)或抽象地点的名词(如：point, case, situation, stage, position, condition等) ，且关系词在从句中作 ，定语从句用where引导。 1. This is the hotel where they stayed. 2. We have reached a point where a change is needed. 3. He gets into a situation where it is hard to decide what is right or wrong. 地点 地点状语 How to choose relative adverbs 当先行词为表示 的名词reason，且关系词在从句中作 ， 定语从句用why引导。 1. This is the reason why he left in a hurry. 2. I don’t know the reason why he didn’t turn to his friends for help yesterday. 原因 原因状语 How to choose relative adverbs 1. The film star ___________ we talked a lot yesterday will give us a speech tomorrow. 2. The West Lake _________ Hangzhou is famous in the world will be more beautiful. 3. The subject ________ Xiao Wang is good is physics. about whom for which at which 4. The reason _________ he could not go there was that his grades was too low. 5. The professor __________ Mr. Smith shook hands yesterday has made new discoveries in science. 6. Could you tell me the day ________ you arrived? 7. I will treasure the days ________ I lived here. with whom on which in which for which This is the factory. I worked in the factory ten years ago. Use relative adverbs to connect the two sentences to be a complete sentence. This is the factory where I worked ten years ago. This is the factory in which I worked ten years ago Practice There are many reasons. People like traveling for many reasons. There are many reasons why people like traveling. There are many reasons for which people like traveling. Practice 关系代词 that 指物和人 在从句中作主语或宾语 which 指物 在从句中作主语或宾语 who 指人 在从句中作主语或宾语 whom 在从句中作宾语 whose 指人和物 在从句中作定语 关系副词 when 指时间 在从句中作时间状语 where 指地点 在从句中作地点状语 why 指原因 在从句中作原因状语 引导定语从句的关系词 Thank you！ (where, when, why, prep.+which/whom) Unit 5 $$