ASK YOU x ASK TO YOU x ...ask OF you ??
Sorry, but I can I ask you a favor?
Sorry, but I can I ask to you a favor?

The only thing I ask you is to not be rude in the comment section.
The only thing I ask of you is to not be rude in the comment section. (Can I omit the ''of'' ? Is it necessary?)

I want to ask you a question.

Question

ASK YOU x ASK TO YOU x ...ask OF you ??
Sorry, but I can I ask you a favor? 
Sorry, but I can I ask to you a favor?

The only thing I ask you is to not be rude in the comment section.
The only thing I ask of you is to not be rude in the comment section. (Can I omit the ''of'' ? Is it necessary?)

I want to ask you a question.

Answer

Sorry, but can I ask you a favor?    = OK
..and the second bit, I think either is acceptable.   the 'of you' is just a bit more formal
You could also say.   "The only thing I'd ask is that you don't make rude comments"  :).

Answers · 1

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