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My understanding about whom and who is,

Who is usually used with a dangling preposition.

Example: Who were you talking to?

By using whom, it would be;

Whom were you talking?

Can whom also take preposition? If so, which of the following sentences is correct?

1. Who are you going to demonstrate the product to?
2. To whom are you going to demonstrate the product?
3. Whom are you going to demonstrate the product? [Does preposition require?].
4. Whom are you going to demonstrate the product to? [Doe whom take dangling preposition?].

Thanks,
Harry
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harry1999Who is usually used with a dangling preposition.Example: Who were you talking to?
Yes. This happens quite frequently.
harry1999By using whom, it would be;Whom were you talking?
No. It would be To whom were you talking? This is very formal speech.

You can also take the middle ground with Whom were you talking to? but this (also formal) is not often heard.

All together, there are three possible versions.
____________________

1. Who are you going to demonstrate the product to? OK
2. To whom are you going to demonstrate the product? OK. Very formal.
3. Whom are you going to demonstrate the product? WRONG!
4. Whom are you going to demonstrate the product to? OK. Formal.

CJ
Comments  
Thanks for the help CJ.

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