If there's a particularly useful/nice/logical word or construction that isn't accepted in standard English (or another language) but is dialectal, slang, etc. or deemed incorrect for whatever reason, but which you believe ought to be accepted, post it here.
I just now for some reason thought again of the perfectly fine and logical, unjustly scorned "amn't", which gave me the idea for this thread.
I just now for some reason thought again of the perfectly fine and logical, unjustly scorned "amn't", which gave me the idea for this thread.