I have a favor

Question

I have a favor to ask you 还是 I have a favor to ask of you各怎样翻译

Answer 1

两种表达都正确
I have a favor to ask of you. 我有一事相求。
I have a favor to ask you我请你帮个忙。（ 但一般不用you)

Answer 2

请人帮忙用
can you do me a favour? 这个比较地道点

Answer 3

口语中两个都行。
第二个还是比较正确