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课件网) Unit 5 Languages around the World Discovering useful structures 定语从句：在复合句中修饰名词或代词，在句子中起定语作用的从句。 Bobby is a boy who is very fat.. 先行词 关系词 定语从句 先行词: 被修饰的名词或代词 关系词：1.连接从句；2.替代先行词；3.在从句中充当语法成分 当 关系代词 可指代 从句中的成分 who whom which that whose 人 主语、宾语 人 宾语 物 主语、宾语 人、物 主语、宾语 人、物 定语 Exercises 1. There were deep cracks _____ appeared in the well walls. 2. A quake _____ caused damage was more than 150 kilometres away in Beijing. 3. Two thirds of the people _____ lived there were dead or injured. 4. The number of people _____ were killed or badly injured in the quake was more than 400,000. which/that which/that who/that who/that 关系副词 when where why In which situation are they used to introduce an attributive clause Tom will never forget May 4th, 2021 when he was late for class. Analyze the sentence 先行词 关系副词 定语从句 Tom will never forget May 4th, 2021 . He was late for class on May 4th, 2021 . Tom will never forget May 4th, 2021 on which he was late for class. 引导定语从句的关系词在从句中作时间状语，可使用关系副词when来引导，也可用“介词+which”来引导，介词可使用in/on/at/during… 时间 时间状语 They’ll never forget July 1. Hong Kong returned to its motherland on July 1. They’ll never forget July 1 when Hong Kong returned to its motherland. October 1st, 1949 was the day when / on which the People’s Republic of China was founded. 1949年10月1日是中华人民共和国建立(found)的那天。 Practice ★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 He arrived at the classroom where he and his friends study. Analyze the sentence 先行词 关系副词 定语从句 He arrived at the classroom. He and his friends study in the classroom. He arrived at the classroom in which he and his friends study. 引导定语从句的关系词在从句中作地点状语，可使用关系副词where来引导，也可用“介词+which”来引导，介词可使用in/on/at/under/… 地点 地点状语 This is the factory. I worked in the factory ten years ago. 合成句子。 This is the factory where I worked ten years ago. Kunming is the city where/in which I was born. 昆明是我出生的城市。 Practice ★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 先行词是situation, case, point, condition, stage 等抽象地点的名词，且关系词在定语从句中作状语时，也应用where引导。 He gets into a situation where it is hard to decide what is right or wrong. The reason why I was late was that I didn't catch the bus! Analyze the sentence 先行词 关系副词 定语从句 原因 The reason was that I didn't catch the bus! I was late for the reason. The reason for which I was late was that I didn't catch the bus! 引导定语从句的关系词在从句中作原因状语，可使用关系副词why来引导，why可换 ... ...
