定语从句in_which等的用法
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2021年01月28日 20:11
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in which, for which, on which, at which
的不同用法
这些都是定语从句里面，由
which
引导的定语从句，介词提前。
in which
可以翻译成在
……
里面
for which
可以翻译成为了
……
目的
on which
可以翻译成在
……
的上面，或具体时间的某一天
at which
可以翻译成在
……
里面或在
……
上面
这些介词的使用除了意思上的区别，具体是要以
which
引导的从句而定的。
例如：
(1) The school (that/which) he once studied
in
is very famous.
= The school
in which
he once studied is very famous.
(2) Tomorrow I will bring here a magazine (that/which) you asked
for
.
= Tomorrow I will bring here a magazine
for which
you asked.
(3) I have a dresser in my bedroom, which there are many cosmetics
on
.
= I have a dresser in my bedroom
on which
there are many cosmetics.
(4)The dumpling House which he often has dumplings
at
is very popular.
= The dumpling House is very popular,
at which
he often has dumplings.
当然这只是介词作为基本意思的用法，还有一些固定搭配，得具体情况具体分析。
例如：
The plane may be several hours late, in which case there
’
s no point in our waiting.
（固定搭配：
in the case)
The speaker paused to examine his notes, at which point a loud crash was heard.
（固定搭配：
at the point)
Ten years of hard work changed her greatly, for which reason he could hardly recognize
her at first sight.
（固定搭配：
for the reason
）
The film at which I fell asleep was very boring.
（
Here
因为电影无聊而睡觉。
）
The little creature in which scientists are interested is known as ET.
（这里
是词组原因）
This is the book for which he is looking.
（即等于
This is the book which he is looking for
，这主要是因为
look for
这一短语）
例题：
1.
I can’t believe that the restaurant, ______ I have eaten such wonde
rful meal, is
going to be close down.
A. where
B. at which
C. about which
【解答】选
B
。这个是非限制性定语从句，
at which
在功能上等于
where
，但就本题而言只
能选
at which
。因为
at which I have eaten such wonderful meal
是一个插入语，
where
固
然可以引导，但 是由于前面有了一个逗号，就只能用
at which
了。
“
我难以相信我曾 经在里
面美美地吃过几顿大餐的饭店就要关张了。
”
非限制性定语从句主要就是
先行词
+
逗号
“
，
”+
介词
+which
或者是
先行词
+
逗号
“
，
”+which
，它和 限定性定语从句的最显著区别一个是有
逗号，一个是非限制定语从句总有
which
。
2. Wind power is an ancient source of energy ______ we may return in near future.
A. on which
B. by which
C. to which
D. from which
【解答】选
C
。
return to
其实，应该来说， 就是一个固定搭配了，解释为回归到，但是呢，
如果要说意思的话，也是说得通的，就是把句子换一换语 序你就可以看出来了。
“we
may
return to wind power in near future.”
也就是说，
看到
prep.+ which
这种形式，就可以直接
把它扔到动词后面，然后在进行选择，看缺少哪个介词。
3. We have gathered nearly 100,000 quilts, _____up to half have gone to flood-hit areas.
A. with which
B. in which
C. for which
D. of which
【解答】选
D
。这里的
which
指的是，
nearly 100,000 quilts
（被褥）
，也就是说，后半句的
主语是在这
nearly 100,000 quilts
里面的
up to half
。
例：
I don’t know the
reason why/for which
he did it.
The reason why/for which he was fired was not clear.
There are many
countries
in Asia,
of which
China is the largest one.
亚洲有很多国家，中国是最大的一个。
附：
whose
和
of which
的区别
1.
关系代词
whose
，
引导定语从句时，
既可指人，
又可指物，
在从句中只能作定语；
of whom
只能指人；
of which
只能指物，有时
whose
可以与
of whom
和
of which
互换使用。
如：
The girl
whose
hair is golden is from England.
头发金色的那个女孩是英国人。
The house
whose doors(of which the doors)
are green is an office building.
门是绿色的
那座房子是办公楼。
2. “
介词
+ whose +
名词
”
引导定语从句。
如：
I love my motherland, for whose good future I will work hard.
我爱我的祖国，为了她美好
的未来我要努力工作。
3.
在下列情况下，一般只用
of whom
和
of which
。
(1)
定语从句的主语是
few, little, some, most, many, much
等时，一般只用
of whom
和
of which
。