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课件网) unit 4 Grammar and usage 关系副词引导的限制性定语从句 Restrictive relative clauses(限制性定语从句) with relative adverbs（关系副词） 温故知新(1) What’s the attributive clause 定语从句 在复合句中，修饰或限定某一_____或_____的_____叫定语从句。 名词 代词 从句 例：He is the man who I respect very much. 先行词 关系代词 定语从句 关系代词 指人 指物 Subject 主语 Object 宾语 Attribute 定语 who whom whose which that 关系代词的用法 关系代词何时可以省略？ 做宾语时可以省略！ 关系词 ①连接先行词和定语从句； ②指代先行词； ③在定语从句中充当成分。 关系词的作用： 关系代词 关系副词 who,whom,which,that,whose起着代词和连词的作用，在定语从句中充当主语，宾语或定语 when,where,why起着副词或介词短语和连词的作用，在定语从句中充当状语 It is normal for teenagers to be slightly overweight and there is no reason _____ they should be worried. 作原因状语 why In a society _____ being thin is often seen as being beautiful, teenagers sometimes turn to extreme methods to slim down quickly. where 作地点状语 温故知新(2) Exploring the rules a time a reason which 介词 由关系副词引导的限制性定语从句 关系副词( relative adverbs )： when where why 关系副词在定语从句中都作状语： when作_____; where作_____; why作_____. 时间状语 地点状语 原因状语 Tips: 区别使用关系代词还是关系副词的方法就是分析定语从句的句子结构，看他们在定语从句中充当的是什么成分。 关系副词when, where, why可以用 “介词+which”代替！ 关系副词的基本用法 1. when的用法： We remembered the first day when we entered senior high school. 我们还记得我们刚进入高中的第一天。 作时间状语 I often think of the moment when I first saw her. 我经常想起我第一次见到她的那一刻。 作时间状语 归纳：when指时间，引导的定语从句修饰time, moment, day, month, year, period等表示时间的先行词，在定语从句中作时间状语，且关系副词when可用表示时间的介词 (如at/in/on/during…) + which替代 缺时间状语on the first day 缺时间状语at the moment 1.观察先行词有什么特点？ 2.从句中缺少什么成分？ I’ll never forget the day when /on which I joined the team . I’ll never forget the day. I joined the team on that day. when作时间状语 1. when的用法： 关系副词的基本用法 即学即练 He will always remember the day _____his father returned from Beijing. I can not forget the day _____I first saw her. when/on which when/on which 2. where的用法： This is the town where I was born. China is the country where wild pandas can be found. 作地点状语 缺地点状语in the town 缺地点状语from the country 作地点状语 归纳：where指地点，引导的定语从句修饰place, house, town, city, country, world 等表示地点的先行词或如point, position, condition, situation, case等表抽象地点的名词，在定语从句中作地点状语，且关系副词where可用表示地点的介词(如at/in/on…) +which替代。 in which from which 这就是我出生的城镇。 中国是唯一能够找到野生大熊猫的国家。 翻译句子 ①这是我们年轻时工作过的农场。 This is the farm where/on which we worked when we were young. ②昨天我参观了父母曾经住过的房子。 Yesterday, I paid a visit to the house where/in which my parents on ... ...
