高中定语从句课件一.ppt

高中定语从句课件一
一. 定语从句
用一个句子来充当定语。
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
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
关系代词
指代的先行词
充当从句的成分
who
人
主语、宾语
whom
人
宾语
which
物
主语、宾语
that
人或物
主语、宾语、表语
whose
人或物
定语
① who指人, 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.
②whom指人,作宾语，可省略。
The man (whom) I nodded to is Mr. Li.
who, whom
③ which 指物，作主语或宾语。作宾语时，可省略。
These are the trees which were planted
last year.
This recorder （which） he is using is
made in Japan.
which
He is the man (that) I told you about.
④that 指人或物，作主语或宾语。作宾语时，可省略。
A plane is a machine that can fly.
that
⑤whose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 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。
①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
②当先行词为不定代词all, one, few, little, no, some, any, everything, nothing, nobody, none等时。如：
This is all that I want from the school.
③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.