in which，for which，on which，at which有什么区别，怎么使用，用法

in

which,

for

which,

on

which,

at

which的不同用法

1)这些都是定语从句里面，由which引导的定语从句，介词提前。下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。

①in

which可以翻译成在……里面

The

school

(that/which)

he

once

studied

in

is

very

famous.

=

The

school

in

which

he

once

studied

is

very

famous.

②for

which可以翻译成为了……目的

Tomorrow

I

will

bring

here

a

magazine

(that/which)

you

asked

for.

=

Tomorrow

I

will

bring

here

a

magazine

for

which

you

asked.

③on

which可以翻译成在……的上面，或具体时间的某一天

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.

④at

which可以翻译成在……里面或在……

The

dumpling

House

which

he

often

has

dumplings

at

is

very

popular.

=

The

dumpling

House

is

very

popular,

at

which

he

often

has

dumplings.

2)当然第一点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。

①The

plane

may

be

several

hours

late,

in

which

case

there’s

no

point

in

our

waiting.

(固定搭配：in

the

case)

②The

speaker

paused

to

examine

his

notes,

at

which

point

a

loud

crash

was

heard.

(固定搭配：at

the

point)

③Ten

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)

④The

film

at

which

I

fell

asleep

was

very

boring.

(Here

"at

which"

is

based

on

"fell

asleep

at

the

film"因为**无聊而睡觉。)

⑤The

little

creature

in

which

scientists

are

interested

is

known

as

ET.

(这里"be

interested

in"是词组原因)

⑥This

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)

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