- I may be 50, but there's not a lot of things I've forgotten.
- I may be slow, but at least I don't make stupid mistakes.
- Although this may sound like a simple process great care is needed.
- Strange as it may seem, I always felt I belonged here.
- Leeds might be an excellent team, but today they played appallingly.
- The school may not be as good as it was, but is still popular.
- He may be a good father but he's a terrible husband.
* * *
△You use may in statements where you are accepting the truth of a situation, but contrasting it with something that is more important.
△[ALTHOUGH] used to say that even though one thing is true, something else which seems very different is also true.
△might: used to introduce a statement which is very different from the statement you really want to make, in order to compare the two.
△may~but: used when you agree that something is true, but you argue that this does not change the main fact that you are stating.
△used when admitting that something is true before introducing another point.
.... COBUILD, LDOCE, CALD, Macmillan, OALD