Under what circumstances do we use: 'of which', 'on which' and 'for which'?

I would appreciate it if you would kindly give me some examples. Thank you!

As for 'in which', is it the same as 'where'? e.g.

This is the house in which the prisoner has been hiding for years.

This is the house where the prisoner has been hiding for years.
Hi Nemessos

Your last two sentences are correct and synonymous. In which and where are usually interchangeable but in English there is the odd exception to practically everything.

Which has nothing to do with the choice of the preposition. You have to use the preposition that other words or expressions require. Some examples:

He is interested in this music.
This is the kind of music in which he is interested.

They are responsible for the accident.
Let's discuss the accident for which they are responsible.

The books are on this table.
Can you see the table on which the books are?

Putting the preposition before which is quite formal style. In spoken English the preposition is usually at the end of the relative clause:

This is the kind of music [which/that] he is interested in.
Let's discuss the accident [which/that] they are responsible for.

The last sentence is best left as it is, though, because table is in the main clause.


<I fixed the typo - I was wondering what grammatical term I was missing with the "outing" of prepositions. Emotion: smile>
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Students: Are you brave enough to let our tutors analyse your pronunciation?
This is really good, CB.
AvangiThis is really good, CB.
Thanks, Avangi. Good except for my spelling!Emotion: big smilePutting... and the last sentence...
I was in a hurry!

Thanks CB for your prompt reply to my queries. As Avangi rightly said, the examples are really very good.
Would you be kind enough to give an example of 'of which' please? Emotion: big smile

PS Never mind the typos! Emotion: wink
Students: We have free audio pronunciation exercises.
We need to get the recipe for her pecan pie, of which we ate more than our share at dinner last Sunday.

Here are the three choices, two of which must be eliminated before the day is over.
Would you be kind enough to give an example of 'of which' please? Emotion: big smile
What a coincidence that I just logged in!Emotion: smile Any verb, noun adjective and so on that requires the use ofof will do:

I am proud of this car.
This is the car of which I am proud.
This is the car [which/that] I am proud of.

He was accused of a crime.
Tell me about the crime of which he was accused.
Tell me about the crime [which/that] he was accused of.

1- The house the garden of which is full of apple trees belongs to my uncle.

2- There were too many people waiting in the queue, some of whom looked like Italian.
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CB, GG and Anonymous, a thousand and one thank yous for your assistance. I really appreciate!! Emotion: big smile
I think I got it. So the best way is to break up the sentence in two in order to see if it is correct or not. The problem with studying foreign language is that one doesn't have the opportunity to speak and to to listen to it everyday. The more I analyze the grammar and the structure, the more bemuddled I become.
One more query concerning the last example of Anonymous:

There were too many people waiting in the queue, some of whom looked like Italian.

Can I simply write 'some of them' looked like Italian?

Have a nice day everyone!
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