人教版（2019） 必修 第一册 Unit 5 Languages around the world介词+关系代词引导的定语从句课件（23张PPT）

(共23张PPT)
Unit 5 Discovering useful structure
先行词 所作成分 指 人 指 物 主 语 宾语 表语 定语 状语
关 系 代 词 that
which
who
whom
whose
关 系 副 词 when
where
why
时间名词
地点名词
reason
时间状语
地点状语
原因状语
1. A doctor with Tom used to work died
in the earthquake.
2. Tom couldn’t forget the morning in he saw a beautiful sunrise.
whom
which
解题步骤：
一确定定语从句
二看先行词
三看关系词在从句中充当的成分
四确定关系词
由“介词 + 关系代词”引导的定语从句
“介词 + 关系代词”引导的定语从句
一、“介词+关系代词”中关系代词的选择？
1. A doctor with whom Tom used to work died in the earthquake.
2. Tom couldn’t forget the morning in which he saw a beautiful sunrise.
定语从句由“介词+关系代词”引出时，当先行词是人, 关系代词用whom；当先行词是物, 关系代词用which且关系代词均不可省略。
“介词 + 关系代词”引导的定语从句
二、“介词+关系代词”中介词的由来？
一先 （先行词）
二动&形（动词 / 形容词）
三句意 （定语从句表达的意义）
1.I’ ll remember the day ________ I visited Beijing.
_______the day
2.The moment _____which I made the decision is exciting.
______ the moment
3.This is the classroom _____which we studied last year.
______ the classroom
on which
at
at
in
on
介词的选用原则之一：
介词根据 来决定。
定语从句先行词的搭配习惯
in
一先（先行词）
1.Do you like the book____________she spent $10
2.Do you like the book____________she paid $10
3.Do you like the book _____she learned a lot
4.Do you like the book __________she often talks
on which
for which
from which
about which
pay...for;
spend ...on;
talk about
learn from;
介词的选用原则之二：
介词根据 来决定。
5.Mathematics is the subject __ which I am most interested.
in
be interested in
定语从句中谓语动词或形容词的习惯搭配
二动&形（动词 / 形容词）
介词的选用原则之三：
介词根据 来决定。
1.Air, ________ which man can’t live, is really important.（非限制性定语从句）
2.The film _______which I fell asleep was very boring.
3.The pen _____which he is writing now was bought yesterday.
without
during
with
三句意（定语从句的意义）
定语从句所表达的意义
“介词 + 关系代词”引导的定语从句
三、介词的位置
一般情况下，介词一般放在关系代词which和whom之前，也可放在动词后。
This is the man from whom I learned the news.
=This is the man who /whom/that I learned the news from.
固定搭配的动词短语中的介词一般不能提前.
常见的这类动词短语有:
look for/after/forward to,
care for(照顾，喜欢）
hear of/about/from, take care of等.
This is the right place I’m looking for.
The girl whom he is looking after is his sister.
注意
1.当关系代词在从句中做定语时,用介词+whose引导定语从句如：
I am very grateful to my English teacher with whose help I am interested in grammar.
Can you see the house on whose wall there are flowers and grass.
四、其他常考点
2.“介词+关系代词”前还可有some, any,
none, all, both, neither, many, most,
each, few等代词或者数词。
He loves his parents deeply, both of
whom are very kind to him.
There are 58 students in our class,
20 of whom are girls.
四、其他常考点
3. whose可转换为“ of +关系代词”型。
They live in a house, whose door opens to the south.
They lived in a house, of which the door opens to the south.
They lived in a house, the door of which opens to the south.
四、其他常考点
归纳：whose + n. =of which + the+ n.
= the + n. + of which
4.以the way为先行词的限制性定语从句,且在从句中作状语，通常由in which或that引导，而且通常可以省略。如：
The way ______________he answered the questions was surprising.
他回答这些问题的方式令人惊奇。
I don’t like the way __________________ you laugh at her.
我不喜欢你嘲笑她的样子。
that / in which /
that / in which /
注意：如果the way 在定语从句中做主语或宾语，关系词还是用that/which.
四、其他常考点
1. The way _______ one student studies might be quite different from that of another student.
2. The musicians _________ we have great interest toured Europe with us.
3. Do you like the book ___________ she often talks
Practice 1 Fill in each blank with a proper prep.+ whom/which.
in which
in whom
about which
4. The man _________ I spoke on the phone last night is very good at writing.
5. Glasses, ___________ I can’t see clearly, are really important for me.
6. China is a beautiful country, _______ we are proud.
7. Do you remember the day _______ you joined our club
to whom
without which
of which
on which
=when
They live in a house, whose windows are made of glass.
They live in a house, ____ _________
___ ______ are made of glass.
of which
the windows
whose + n. = the + n. + of which
=of which + the +n.
Ⅳ. 句型转换
2. He has two daughters, and both
of them are college students.
　He has two daughters, _____ ____
______ are college students.
whom
both of
3. China has hundreds of islands, and the largest of them is Tai Wan.
China has hundreds of islands, the largest ___ ______ is Tai Wan.
of which
4. Can you think of a situation where this
word is used
　Can you think of a situation ___ ______
this word is used
in which
5. China has a lot of famous writers and
Lu Xun is one of them.
　China has a lot of famous writers,
one ___ _______ is Lu Xun.
of whom
“介词+关系代词”引导的定语从句, 关系代词作宾语只能用which（指代物）和whom（指代人）, 且不能省略。介词主要根据三个方面来选择:
Summary
一先 （先行词）
二动&形（动词 + 形容词）
三句意 （定语从句表达的意义）
Thank you!
Bye！