When I declare that "I ought to do x" what in effect, do I mean according to Aristotle? Hume? Mill?

When I declare that "I ought to do x" what in effect, do I mean according to Aristotle? Hume? Mill?

We don't know what you mean, because you haven't stated what you mean yet, according to your own thoughts on the subject.

Is this a homework question? If it is, then you will need to postulate what you think first about "I ought to do (x)." Then we can discuss it.

I think you ought to think that out for yourself - any of those philosophers would have wanted it that way. If you had studied them, why wouldn't you know by now?