人教新课标 Book 1 Unit4 Earthquakes Grammar 定语从句 （共24张PPT）

必修一 Unit4 Grammar定语从句
Lead in Look at the two sentences:
01, The boy is Tom.
02, The boy (who broke the widow) is Tom.

括号这个句子起修饰限定作用，是定语从句
什么是定语从句？
语
定
从
从
句
目录
Part1
Part2
Part3
Part4
定义
分类
关系代词和关系副词
重点难点
定语从句：在复合句中修饰名词和代词的句子叫做定语从句。被修饰的词叫先行词，引导定语从句的词叫关系代词和关系副词。
Part1 定义
01 The bike that I bought last week was broken.
02 This is a park where we can walk the dog.
句1 先行词 关系词是
句2 先行词 关系词是
同学们请看下面句子：
bike
where
park
that
限制性定语从句与非限制性定语从句。
前者对先行词起修饰限定作用，
后者起补充说明作用，且有逗号分割开来。
Part2 分类
01 He has two sons ,who works in the same company.
02 Do you know the man who is talking with your mother .
找出限定与非限定
句1是
句2是
非限制性定语从句
限制性定语从句
关系词:that,which ,who/whom,whose ,as
关系副词:when，where，why
具体用法如下：
Part3 关系代词和关系副词
+
1,先行词是人选用
who /whom(只作宾语)/that宾语
01 Do you know the girl is in white dress.
02 Mr.Smith is the person with I am working.
answers；01， who 02， whom
注意；1，当先行词是人 且作主语用who。2，介词后用宾格，不能用that,
如何选择正确的关系代词？
01The book I give you was worth $ 10.
02A plane is a machine can fly.
answers:01， that/which 02， that/which
2，先行词是物选用 that/which
01， Do you know the baby name is Tom.
02， The boy father works abroad is my classmate.
answers: 01， whose 02， whose
3，先行词是人或物表所属用whose （表.....的）
+
01 I never forget the day we first met.
02 This is the house I was born.
03 I can'timagine the reason he turned down my offer.
如何选择正确的关系副词？
答案很简单：先行词是时间选-when
是地点选-where 是原因-why
why
when
where
1. This is the dictionary ________ Mum gave me for my birthday.
A. which B. what C. whose D. whom
2.Sorry, we don’t have the coat ________ you need.
A. what B. who C. whom D. which
3.Do you know the year ________ they got married.
A.when B. what C. whose D. whom
D
A
A
4.Please tell me the reason ________you are late for school?
A. what B. which C. why D. whom
5.The book ________ he bought yesterday is very interesting.
A. / B. why C. when D. what
6. There are lots of things ________ I need to prepare before the trip.
A. who B. that C. whom D. whose
B
A
C
1.用which的情况,而不能用that.
01 介词+which
02 逗号，which
03 先行词是整个句子
Part4 重点难点
巩固练习：
01，This is the room in which Chairman Mao once lived.
02, Last night I saw a good film,which was about the second world war.
03 She said she has finished her work,which Idoubted very much
I
2.只能用that，不能用which的情况
01 先行词为all, everything, anything, nothing, little, much不定代词时
02 先行词被all, any, every, each, much, little,no, some, few等修饰时
03 先行词有形容词最高级和序数词修饰时
04 先行词既指人又指物时
05 先行词被the only, the very修饰时
06 句中已经有who或which,为了避免重复
巩固练习2：
01，He told me everything that he knew.
02, Those who respect others are usually respected by others.
03, This is the best film that I have ever seen.
04, He is the only man that I want to see.
指人用who 指物用that
p
P
3, 修饰整句话用which/as
as 放在主句前/主句后 “正如...,像...”
which 只能放在主句后
名词前有such和the same 修饰时只能用as.
巩固练习3：
01，Don't read such books you can't understand.
02, They won the game, we hadn't expected.
03, is well known,he is a famousfilm star in the 1980s.
as
As
which
总结-解题步骤：
一，判断从句类型（注意It +be 词开头的可能是强调句）
二，判断句子是否缺成分
三，缺成分---关系代词（that,which,who,whom,whose ,as)
不缺成分---关系副词(when,where,why)
Ps:how 不能引导定语从句
先行词是the way 可用that和in which 或省略引导词
Homework:
1，复习定语从句的定义 分类 关系代词和关系副词及重点难点
2，做相应练习
谢谢欣赏
I love you more than I've ever loved any woman. And I've waited longer for you than I've waited for any woman. I love you more than I’ve
ever loved any woman.