定语从句(新授)ppt

二 定语从句 1. 含义
修饰名词或代词的句子叫定语从句。
定语从句一般紧跟在所修饰的名词或代词 之后。
Mary is a girl who has long hair.
修饰girl
This is the classroom where we study.
修饰classroom •定语从句讲解公开课(22张ppt)
which：指物，作主语或宾语 The man who is speaking at the meeting is a worker. The woman whom they wanted to visit is a teacher.
who：指人，作主语；whom：指人，做宾语 Who’s the boy that is reading a book? Can you show me the photo that you like best?
that：指人或物，作主语或宾语 I know the girl whose mother is a teacher. The house whose windows are closed is mine.
whose：指人或•定物语从，句讲做解公定开课语(22张ppt)
做题技巧： 1. 确定定语从句 2.看先行词是指人还是指物 3. 确定先行词在定语从句中做的成分 4. 确定关系代词
5. The factory _th_a_t__ makes computers is far away from here. Which/
6. He likes to read books _t_h_a_t__ are written by Shakespeare.
7. This is the pen _W__h_i_c_h_/ he bought yesterday. that•定语从句讲解公开课(22张ppt)

避免歧义
在构造定语从句时，要避免产生歧义， 确保读者能够准确理解句子的含义。
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定语从句的练习和例句
选择题练习
01
02
03
选择题练习一
The book _____ was written by Smith is very interesting.
选择题练习二
The school _____ we visited last year is very famous.
详细描述
关系副词包括when、where、why等 ，用于引导定语从句，表示时间、地 点或原因等状语成分，修饰先行词。
特殊引导词引导的定语从句
总结词
特殊引导词用于引导定语从句，表示特定的含义或限定条件 。
详细描述
特殊引导词包括as、than、but等，用于引导定语从句，表 示特定的含义或限定条件，修饰先行词。
例句分析一
The book (that/which) I bought yesterday is very interesting.
例句分析二
The teacher (who/that) is very popular among students is from the United States.
选择题练习三
The person _____ you talked about just now is our teacher.
填空题练习
填空题练习一
The book _____ was written by the famous author is very popular.
填空题练习二
The school _____ has a beautiful campus is very popular.

Correct the mistakes
1.Under the big tree are 34 students,many
of —th—em— come from class two. whom 2. My mother has a good book,
w—h—ic—h cover looks terrible. whose
关系词 先行词
关 that
人或物
系 which
物
代 词
who
人
whom
人
whose 人或物
在从句中充当的成 分 主语，宾语，表语
主语，宾语
主语，宾语，表语
宾语
定语
前看先行是人或物，后看从句有无宾主。
先行指物用that/which, 先行指人用whom/who. whose通常作定语”….的”，人，物两者都兼顾。 物作先行that/which,人作先行that/whom/who。
covered with trees flows to the sea
Whose 的使用
In this class there are 20 students, ______ are different.
A.whose backgrounds B. The backgrounds of whom C.of whom the backgrounds W hDo.tshe+bna.c可kg以ro用unds of whose the+n.+of+whom/which替代
A plane is a machine the machine can fly.
关系代词的实质
Join the following sentences: A plane is a machine. The machine can fly.

注意不定代词的用法
不定代词在句中作主语、宾语或表语 ，需要根据其在句中的位置和作用来 确定其意义。
先行词被the only，the very等修饰时选择技巧
确定引导词
01
当先行词被the only，the very等修饰时，定语从句通常由that
引导，而不是which。
注意修饰语的强调作用
02
the only，the very等修饰语在句中起强调作用，需要特别注意
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总结回顾与拓展延伸
关键知识点总结回顾
定义与功能
定语从句是对名词或代 词进行修饰、限定的从 句，起到进一步说明、
描述的作用。
引导词种类
关系代词（如who, which, that等）和关系 副词（如when, where, why等）引导定语从句
。
从句位置
定语从句通常位于被修 饰词之后，但有时也可 位于句首，起到强调作
who/whom引导指人非限制性定语从句
要点一
先行词为人时，引导词用who或 whom，在从句中作主语…
The man who/whom you met yesterday is my uncle. （你昨天见到的那个人是我叔叔。）
要点二
非限制性定语从句中，who可以 代替whom，但whom…
My sister, who is a doctor, lives in Beijing.（我姐姐是 北京的一名医生。）
其所强调的内容。
分析主从句的逻辑关系
03
主句和从句之间需要存在逻辑上的联系，从句需要对主句中的
先行词进行进一步的解释或说明。
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实战演练与错误纠正
典型例题解析
例题1