I read somewhere you never should start a sentence with “to”. They are exceptions though, I know. In this sentence below, what’s the best/correct way to put it?

- To what do I owe the pleasure?
- What do I owe the pleasure to?

Thanks.

Question

I read somewhere you never should start a sentence with “to”. They are exceptions though, I know. In this sentence below, what’s the best/correct way to put it?

- To what do I owe the pleasure?
- What do I owe the pleasure to?

Thanks.

Answer

Never the second one! But you would say “where are you going to?” Rather than “to where are you going?” The second one here is grammatically correct but you would not sound at all natural if you used it

Answer

There is no such rule. There is nothing wrong with starting a sentence with "to". It is common and useful.

"To whom do I have the pleasure of speaking?"
"To be or not to be, that is the question."
"To err is human, to forgive divine."

Perhaps what you actually read is that you should not END a sentence with "to". That is good advice, but not a strict rule. More generally, you should try not to end a sentence with any preposition.

Answer

The first one seems more natural to me.

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