I'd like to ask a question if I may.

如果可以的话，我想提一个问题。

I stood up to ask a question.

我站起来提一个问题。

The format of the meeting was such that everyone could ask a question.

会议安排好可让每个人都能提一个问题。

May I ask a question?

我可以问一个问题吗？

Might I ask a question?

我是不是可以提个问题?

Excuse me, may I ask a question about this matter?

实在抱歉, 此事我还想动问一句.

Could I ask a question?

我可以问个问题 吗 ?

Sir, may I ask a question?

老师, 我可以发问 吗 ?

I should like to ask a question.

我想问个问题.

May I ask a question? What is the distinction between thought and the brain?

普:我能问个问题 吗 ?思想和头脑的区别是什么?

No one seems inclined to ask a question, will you set the ball rolling, Tom?

似乎没人想要提出问题, 汤姆, 你能开个头 吗 ?