1) I have a request to make of you.

我有事求你。
2) I have a favor to ask of you.

我要请你帮忙; 我有件事求你。
3) I must ask you a favor.

我求你一件事。
4) I wish to ask you a favour / I wish to ask a favour of you

我想求你一件事
5) What do you require of me?

你对我有何要求?
6) I need to talk to you.

我有事要找你.
参考词条