firstly, I know some grammar, but how it could be, for instance, 'he don't know' ? 'cause following the rules it's always been like 'he doesn't know'... and I've heard a few times he don't!
Top answer
'He don't know' is substandard English, but does appear in the casual spoken language in some vernaculars.
— Mister Micawber
'He don't know' is substandard English, but does appear in the casual spoken language in some vernaculars.
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