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课件网) Unit 4 Natural Disasters Descovering Useful Structures 形容词 名词 介词短语 非谓语动词 从句 (定语从句） She is a beautiful girl. Amy is a woman teacher. The girl in red is my sister. I have something to say. The boy making face is my son. Japan is a developed country. I like people who smiles a lot. 1定义：修饰名词或代词，常译为“的” 2什么可以做定语 什么是定语 定语从句:在复合句中修饰名词或代词的句子。表示...的，作用相当于形容词 关系词 关系代词 关系副词 who whom whosewhich that when where why ①The Tangshan earthquake was a terrible experience that my great-grandma cannot forget. ②The couple who live next to us volunteered to help after the volcano erupted. ③The supplies which were provided to the disaster area were collected from around the country. ④Mr. Li is an architect whose designs for the new town have won praise. ⑤A doctor with whom James used to work died in the 2016 earthquake in Ecuador. 观察领悟 一、定语从句的定义：修饰_____或_____的句子叫定语从句。 二、结构：_____+_____+_____ 名词 代词 先行词 关系词 定语从句 While-learning 关系词的作用和分类 关系词 指代先行词 连接主句和从句 在从句中充当成分 Find and underline the antecedents先行词, relatives关系词, relative clauses定语从句 in the sentences below.（Page 52) ·The Tangshan earthquake was a terrible experience that my great-grandma cannot forget. antecedent 先行词 relatives 关系词 relative clause 从句 BY YUSHEN · The couple who live next to us volunteered to help after the volcano erupted. · The supplies which were provided to the disaster area were collected from around the country. · Mr. Li is an architect whose designs for the new town have won praise. · A doctor with whom James used to work died in the 2016 earthquake in Ecuador. The structure of restrictive relative clauses Two thirds of the people who lived there were dead or injured. 先行词 关系代词 定语从句 定义: 在复合句中起定语作用，修饰名词、代词、整个主句或主句中的一部分的从句叫作定语从句。 类型: 限制性定语从句（描述主句所涉及的人或物的具体情况，是主句不可缺少的一部分；如省去，主句意义不完整或失去意义）。 关系代词：that, which, who, whom, whose等。 引导定语从句的关系代词的作用： 1) 连接作用：引导从句，把从句和所修饰内容连接起来； 2) 替代作用：在从句中替代被从句所修饰的先行词； 3) 在从句中充当成分：作主语、宾语、表语、定语。 关系词 先行词 在从句中的成分 关系代词 who 人 主语或宾语 whom 人 宾语 which 物 主语或宾语 that 人或物 主语或宾语 关系副词 when 时间 状语 where 地点 状语 why 原因 状语 关系限定词 whose 人或物 定语 关系代词的基本用法 1．关系代词who，whom，whose的用法 关系代词 用法 who 指人，在定语从句中可以充当主语、宾语或表语 whom 指人，在定语从句中作宾语，有时可省略，有时也可用who代替 whose 既可以指人，也可以指物，表示所属关系，whose在定语从句中作定语 The children who were injured in a car accident are being treated in the hospital now. 在车祸中受伤的孩子们现在正在医院接受治疗。 Danny was the man who we rescued from the ruins. 丹尼是我们从废墟中救 ... ...
