定语从句PPT课件.ppt

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1、,定语从句,一. 定语从句的基本定义,放在名词或代词后面，由关系代词或关系副词引导的修饰该名词或代词的从句叫定语从句。,被修饰的词叫先行词。,一. 定语从句的基本定义,The boy who is reading is Tom.,先行词,关系代词,Hospital is a place where a doctor works.,先行词,关系副词,二. 关系词的分类,关系代词,2. 关系副词,关系代词在定语从句中作主语、宾语、表语和定语，常用的关系代词有：that, which, who, whom, whose,关系副词在定语从句中作状语，常用的关系副词有：when, where, why,

2、二. 关系词的分类,三. 关系代词的基本用法和注意点,1. 关系代词的基本用法,三. 1. 关系代词的基本用法, who指人,在定语从句中作主语或宾语。作宾语时，可省略。,The man (who) I talked with is our teacher.,A person who steals things is called a thief.,whom指人,在定语从句中作宾语，可省略。,The man (whom) I nodded to is Mr. Li.,who, whom, which 指物，在定语从句中作主语或宾语。作宾语时，可省略。,These are the trees w

3、hich were planted last year.,This recorder （which） he is using ismade in Japan.,which,He is the man (that) I told you about.,that 指人或物，在定语从句中作主语或宾语。作宾语时，可省略。,A plane is a machine that can fly.,that,whose指人或物, 在定语从句中作定语 。不可省略。,We live in a house whose windows face south.,This is the little girl whose

4、 parents were killed in the great earthquake.,whose,2. 关系代词的用法注意点,(1) that和which都可以指物，但以下5种情况只能用that 不能用which。,当先行词中有人又有物时。如：,Do you know the things and persons that they are talking about?,2. 关系代词用法注意点(1)只能用that不能用which的5种情况,当先行词为不定代词all, one, few, little, no, some, any, everything, nothing, nobody

5、, none等时。如：This is all that I want from the school.,当先行词被only, just, very, right, last等修饰时。如：This is the very book that I am looking for these days.,当先行词被最高级修饰时。如：The TV tower is the highest building that has been built in this city.,当先行词被序数词修饰时。如：The first lesson that I learned will never be forgot

6、ten.,(2) that和who都可以指人，但下面两种情况，多用who。,(2)用who不用that的情况,先行词为all, anyone, one, ones等时。如：All who heard the news were excited.,先行词为those, he和people时。如：Those who want to go please sign your names here.He who does not reach the Great Wall is not a true man.,(3) whose引导的定语从句注意点,whose引导定语从句，其后应紧跟名词，构成名词短语。 whose与它所修饰的名词一起可以作介词的宾语。如：The boss in whose department he worked had heard the news.他工作所在部门的老板已经听说了这个消息。,(3)whose引导的定语从句注意点,whose的先行词指物时，可用of which代替，但语序不同，即whose+名词 = the+名词+of which，或= of which + th