There's differences in the grammar, just like in English between US "I don't have any..." and UK "I haven't any...". But I was disputing that the differing char

There's differences in the grammar, just like in English between US "I don't have any..." and UK "I haven't any...". But I was disputing that the differing characters used with Mandarin and Cantonese was to do with the pronunciation of the morphemes/words.