Unit4 Natural Disasters 定语从句课件(共20张PPT)人教版(2019)必修第一册

资源下载
  1. 二一教育资源

Unit4 Natural Disasters 定语从句课件(共20张PPT)人教版(2019)必修第一册

资源简介

(共20张PPT)
定语从句
谁是凶手?
情境引入:一桩神秘的案件
A man was killed!
Who is the killer
Can you find the killer according to the clues
你能根据线索找出凶手吗?
Clue 1: He is a man who has hair.
WHO IS THE KILLER · DETECTIVE GAME
Can you find the killer according to the clues
你能根据线索找出凶手吗?
Clue 2: He is a man who has a beard.
WHO IS THE KILLER · DETECTIVE GAME
什么是定语?
定义:用来修饰、限定、说明名词或代词品质与特征的词。
a man
a man 。
一个瘦弱的男人
一个金色头发的男人
a man 。
一个穿着深色上衣的男人
a man 。
一个待识别的男人
thin
with blond hair
wearing a dark shirt
to be identified
具体化 范围缩小
什么是定语?
He is a young man.
He has blond hair.

一、什么是定语?
He is a young man.
He has blond hair.

He has blond hair.
who has blond hair.
He is a young man.
He has blond hair.
He is a young man.
He is a young man.
用来修饰、限定、说明      的句子,相当于    的作用。
名词或代词
形容词
二、什么是定语从句?
核心定义
用来修饰、限定、说明名词或代词的句子,相当于形容词的作用。
组合逻辑示例
简单句:He is a man. + He has blond hair.
合并后:He is a man who has blond hair.
图解:两个简单句合并为一个包含定语从句的复合句
三、定语从句的结构
结构分解
The weapon is a knife which is sharp.
(凶器是一把锋利的刀)
先行词:被修饰的名词或代词。
关系词:像桥梁一样连接主从句,替代先行词并充当成分。
核心逻辑:关系词是连接主句与从句的关键桥梁,必须紧跟在先行词之后。
主句
从句
先行词
关系词
The weapon is a knife
which is sharp.
四、关系词总览
关系代词
who, whom, whose, that, which
关系副词
when
where
why
4.1 关系代词 who
核心用法:指代人,在从句中充当主语或宾语(作宾语时可省略)。
CASE 01
He is a leader who works at a farm.
作主语,不可省略
CASE 02
The injured man who we found lies on the ground.
作宾语,可省略
4.2 关系代词 whom
核心用法:指代人,在从句中充当宾语。
The man whom you look at is very strong.
提示:在口语中,whom 常被 who 代替,但在正式书面语中需区分主宾格。
4.3 关系代词 whose
核心用法:指代人或物,在从句中充当定语(表示“谁的”)。
We are looking for the suspect(嫌疑人) whose shoes left unique footprints on the ground.
The notebook whose pages are filled with messages belongs to the victim.
CASE FILE: GRAMMAR INVESTIGATION // 2026
指代人,做定语
指代物, 做定语
4.4 关系代词 that
核心用法:指代人或物,充当主语或宾语(宾语可省略)。
01. He is a man that has black hair.
02. We need analyze the evidence that we collected from the scene (现场).
DETECTIVE GRAMMAR CASE
指代人(主语)
指代物(宾语)
关系代词 which
核心用法:指代事物,在定语从句中充当主语或宾语(作宾语时可省略)。
The notebook which was on the ground belongs to the victim.
The book which the victim left is on the floor.
现场发现的书籍
指代物,作主语
指代物,作主语
关系代词用法总结表
关系代词 先行词(人/物) 从句成分(主/宾/定)
who 人 主语 / 宾语
whom 人 宾语
whose 人 / 物 定语
that 人 / 物 主语 / 宾语
which 物 主语 / 宾语
核心技巧:判断代词时,先锁定“先行词是人还是物”,再分析其在从句中充当“主、宾、定”哪个成分。
随堂练习:试一试
1. The woman ______ is singing is my mother.
2. He is a man ______ we should learn from.
3. The company ______ name was Notco was in Australia.
4. Nobody likes people ______ talk too much.
5. This is a computer ______ I bought.
请运用所学知识,找出正确的“关系词”填空,成为今天的语法神探!
who / that
whom / that / 省略
whose
who / that
which / that / 省略
Can you find the killer according to the clues
你能根据线索找出凶手吗?
Clue 3: He is a man who is thin.
WHO IS THE KILLER · DETECTIVE GAME
Describe the killer that you think he is.
WHO IS THE KILLER · DETECTIVE GAME
揭晓凶手Describe the killer that you think he is.
锁定凶手:The killer is the man who --------------------------------------------
真相大白!凶手就是他!

展开更多......

收起↑

资源预览