- Is it right to ask "how are you all doing?"?
- Should I reply to a "How do you do?" with an "Am good" or should I say "How do you do" myself in return?
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"How do you do?" is too formal a response for "How're y'all doin'?", and "Am good" is a bit idiosyncratic, even for most American speakers -- maybe "I'm good. And you?"