(共13张PPT)
Unit 5 Nelson Mandela
—a modern hero
定语从句Ⅱ
（介词+关系代词）
人教版 高一 第1册
Unit 5 Nelson Mandela
—a modern hero
定语从句Ⅱ
（介词+关系代词）
人教版必修一
?
观察
阅读下列句子，体会蓝体部分的用法
情景导入
1．It was in 1952 and Mandela was the black lawyer to whom I went for advice.
2．He was generous with his time，for which I was grateful.
介词+关系代词
定语从句除了由关系代词引导外，还可由关系副词when，where，why引导。关系副词可以替换成介词+关系代词。
“介词＋which/whom”引导
定语从句
“介词＋关系代词”引导的定语从句，修饰物时用which而不用that；修饰人时用whom而不用who。
This is the village in which he was born twenty years ago.
这就是20年前他出生的那个村子。
This is the person from whom I borrowed money.
这就是我向他借钱的那个人。
“介词＋which/whom”引导
定语从句
(1)动词短语中的介词不可与动词分开并提至关系代词前。常见的动词短语有listen to，look at，depend on，pay attention to，take care of，look into，break into，get rid of，take part in，make use of，take hold of，catch hold of，catch up with，get along with，look forward to等。
This is the baby whom my mother is looking after.
这就是我妈妈正在照看的婴儿。(after不可提到whom前面)
“介词＋which/whom”引导
定语从句
(2)介词来自于定语从句中谓语动词的习惯搭配。
Is this the dictionary for which you paid five yuan?
这就是你花了五元钱买的那本字典吗？
(3)介词由先行词来决定。
He wrote an article of which the title is“ How to protect our earth”．
他写了一篇题为“如何保护我们的地球”的文章。
“介词＋which/whom”引导
定语从句
(4)介词由整个句子所表达的意思来决定。
Do you know the hunter by whom the wolf was killed?
你认识杀死那只狼的猎人吗？
(5)way后常用that代替in which，也可省略that。
I really don't like the way (in which) he talks.
＝I really don't like the way (that) he talks.
我真的不喜欢他谈话的方式。
“介词＋which/whom”引导
定语从句
(6)“of＋which”可起形容词的作用，相当于whose(用来指物)，其语序通常是“n.＋of which”。
They live in a house whose door/the door of which opens to the south.
他们居住在一座门朝南的房子里。
巩固练习
Ⅰ.单句语法填空
1．The man to_______you spoke is a teacher.
2．This is the iPad on _______I spent 3，000 yuan.
whom
which
speak to sb.
spend money. on sth.
巩固练习
Ⅱ.句型转换
1．The old man is a famous artist. You talked with him just now.
→The old man is a famous artist.
with whom you talked just now
2．He built a telescope. Through the telescope he could study the skies.
→He built a telescope， ．
through which he could study the skies
talk with sb.
通过望远镜用介词through
亮点概述
“介词＋which/whom”引导
定语从句
谢谢
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