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课件网) Unit 5 Discovering Useful Structures The usage of when, where, why in attributive clauses; The usage of prep.+ which/whom in attributive clauses; The difference between relative pronouns and relative adverbs; Goals 1 2 3 Time taken and activities adopted : Step 1: Doing, P3-4, T and Ss, 3m Step 2: Confuse, P5-7, in pairs, 8m Step 3: Recommend, P8-11, in sixes, 5m Step 4: Make, P12-13, T and Ss, 5m Step 5: So that, P14-15, in sixes, 10m Step 6: Community, P16, in threes, 5m Step 7: It, P17, individuals, 4m （一）定语从句的定义 在复合句中，修饰_____或_____的从句叫定语从句。被修饰的名词或代词叫_____，引导定语从句的词叫_____。关系词分为关系_____和关系_____两类 名词 代词 先行词 关系词 代词 副词 关系词：引导定语从句的词。它 有三个作用 先行词：定语从句所修饰的名词或代词 在全句中作 定语的从句 定 语 从 句 概念 引导定语从句 代表先行词 在从句中作句子成分 知识网络 That man is crying in the car. 句2： I know the man. 句1： 两个句子 找出相同词，确定主从句 I know the man the man is crying in the car. The man is crying in the car. 句2： I know the man. 句1： 先行词 用词代替 I know the man who is crying in the car. 关系代词： 1、代指 the man 2、指示主句与从句的关系，从句低 一级 先行词 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 as 指物 在从句中作主语 引导定语从句的关系词 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 关系代词引导的定语从句 1.who指人，在从句中做主语 (1)The boys who are playing football are from Class One. (2)Yesterday I helped an old man who lost his way. 2. whom指人，在定语从句中充当宾语，常可省略。 (1) Mr. Liu is the person (whom) you talked about. 注意：关系代词whom在口语和非正式语体中常用who代替，可省略。 (3) The man who/whom you met just now is my friend. 3. which指物, 在从句中做主语或者宾语，做宾语时可省略。 (1) Football is a game which is liked by most boys. (2) This is the pen (which) he bought yesterday. 4. that指人时, 相当于who或者whom；指物时，相当于which。 在宾语从句中做主语或者宾语，做宾语时可省略。 (1) The people that/who come to visit the city are all here. (2) Where is the man that/whom I saw this morning 5. whose通常指人，也可指物，在从句中做定语。 (1) He has a friend whose father is a doctor. (2) I lived in a house whose roof has fallen in. whose指物时，常用以下结构来代替 (3)The classroom whose door is broken will soon be repaired. =The classroom the door of which is broken will soon be repaired. 特殊用法 (1)只用which不用that的情况 (a) 在引导非限定性定语从句时。 (错)The tree, that is four hundred years old, Is very famous here. (对)The tree, which is four hundred years old, Is very famous here. (b) 介词后只用which不用that 。 We depend on the land from which we get our food. 关系副词引导定语从句 关系副词 在句中作状语。 when(时间), where(地点), why(原因) 关系副词=介词+关系代词 why=for which where=in/ at/ ... ...
