ManinBlack
Tour Winner
Might may also be in the future. As in he might play golf tomorrow.
May may also be in the past.
May also means permitted as does might
In practice, any distinction is rarely made today and the two words are generally interchangeable.
Perhaps the title of the thread should have been "May I take a provisional" or "Might I have taken a provisional" I got "O" level English in 1963.