高中英语定语从句 课件（共23张PPT）

(共23张PPT)


All that glitters is not gold.
Everything is ready , and all that we need is an east wind.
He who laughs last laughs best.
Nothing is difficult for one who sets his mind to it.
Proverbs


The Attributive Clause
定语从句


定义、结构、关系词的作用
关系代词所做的成分
只用that 不用which 的情况
只用which 不用that 的情况
介词+关系代词的用法
as 的用法
如何选择关系代词或者关系副词


一 定义
在复合句中，充当____________用的从句是定语从句，被定语从句限定的词是_____________,引导定语从句的词叫做_____________或_______________.
定语
先行词
关系代词
关系副词


二 结构

先行词 + 关系词 + 定语从句

This is the best film that I have seen.


三 关系词的作用
（1）连接主句和从句
（2）指代先行词
（3）在从句中充当句子成分

关系代词：that, which, who, whom, whose, as
关系副词：when, where, why, that (表示方式)



Point 1
关系代词所做成分


Task 1 画出下列各句中定语从句的先行词和关系词，并判断关系词的类别（人、物），同时写出关系词在从句中所作的成分（主语、宾语、定语）。
1. They ignored the details that / which might account for the accident.
2. This is the suitcase that / which she is looking for.
3. The number of people who / that come to visit this city each year reaches one million.
4. Danny was the man who / whom / that we rescued from the ruins.
主语
宾语
主语
宾语


Task 1 画出下列各句中定语从句的先行词和关系词，并判断关系词的类别（人、物），同时写出关系词在从句中所作的成分（主语、宾语、定语）。
5. I know the person whose house was totally destroyed in the earthquake.
6. He lives in a house whose windows face south.
7. Here is so big a stone as no one can lift.
8. As many people as were present voted for the plan.
定语
定语
宾语
主语


关系代词 先行词（人、物） 在从句中所作的成分（主语、宾语、定语）
that 人、物 主语、宾语
which 人、物 主语、宾语
who 人 主语、宾语
whom 人 宾语
whose 人、物 定语
as 人、物 主语、宾语
Task2 参照task 1 中的有关内容，填写表格1：确定关系代词的依据


针对性练习
1. The first thing ________ you should do is call the police right away.
2. This is the most delicious food _________ I have ever had.
3. All ________ can be done has been done.
4. Tell me everything ________ you know.
5. Please send us any information __________ you have about the subject.
6. The only thing _________ she could do was go to the police for help.
7. This is the very book _________ I want to buy.
8. Sometimes we should ignore the person and things ________upset us.
9. Which of the books _______ you bought is the most useful for my writing?
that
that
that
that
that
that
that
that
that


Point 2
宜用that不宜用which引导定语从句的情况


1. 当先行词是all, little (少), few, much, any, everything, anything, nothing, none等不定代词或被这些词修饰时
2. 当先行词既包括人又包括物时
3. 当先行词被the only, the very, the last, the same 等修饰时
4. 当先行词被序数词或形容词最高级修饰时
5. 当主句是以who, which开头的特殊疑问句时



Point 3
宜用which不宜用that引导定语从句的情况


This is the book about 　　　　we are talking now．


Tom studies hard and is ready to help others,______　　　　his parents expect.


What’s that is flying in the sky?
which
①介词后面：
which
②非限性定语从句中：
③当先行词本身是that时：
which


Point 4
关系代词 as 引导定语从句的情况


1. 常用在the same … as …, such … as …, as … as …, so … as … 结构中
2. as有“正如，正像，和……一致”的含义，常构成一些固定表达结构，如：as we all know, as is known to all, as is well known, as you see, as can be seen, as we expect, as is / was expected, as often happens, as is often the case, as I can remember, as has been said before等
3. as引导非限制性定语从句时，位置比较灵活，可置于主句的前中后


which和as的区别
1. Tom has made much progress, _______ makes me very happy.
3. ________ is often the case, we have worked out the production plan.
4._________ I explained on the phone, your request will be considered at the next meeting.
5. He married Mary, we expected.
6. He married Mary, we didn’t expected.
7. Let’s read such books will make them better.
8. He will give you such information will help you.
As
As
as
as
as
which
which



Point 5
介词＋关系代词 which/whom


1. There are two buildings, the lager of _________ stands 100 feet high.
2. He is a man to _______ you can turn for help.
3. I never forget the day _______ which I came to this school
4. I never forget the year _______ which my son was born.
5. Have you found the book ______ which I paid 10 dollars?
6. Have you found the book ______ which I spent 10 dollars?
7. Have you found the book ______ which Tom often talks?
8. My computer, ________ which I can’t surf the Internet, crashed yesterday.
which
whom
on
in
for
on
about
without


Point 6
关系代词与关系副词的选用


Do you still remember the days __________ we spent in Qingdao?
Do you still remember the days ________ we spent the summer holidays in Qingdao?
用that , when, why, where , which填空
1.I want to know the date, _______you were born.
2.I have forgotten the date __________ you told me.
3.Do you know the reason ________ he is absent today?
4.That is the reason ____________ I want to know.
5.This is the factory ________ his father works.
6.This is the factory ___________ his father built.
that/which
when
when
that/which
why
which/that
where
that/which


定语从句中通常爱出现的及物和不及物动词有：
vt: give; visit; spend; explain; tell; take; buy; use; make; build; have; get; devote; enjoy…
vi: work; live; stay; study; remain; sit; lie; stand; exist; go; come…