Yeah, and as an educated speaker, I knew that "ain't" wasn't an educated word.

Marcus, it only works if the past participle is different from the past simple. If the past simple form is the same as the past participle, then you gotta add "done". For your example,
I done tried to tell him, but he ain't paid me no mind. =:^)

... I been workin on the railroad, all the livelong day....