Some do… A lot do. I moved to rural Appalachia and this is very common… And passed down from generation to generation. Words and phrases are shortened so much it almost seems more like a series of grunts and growls. It seems like the generations lost in the hills have created and kept almost a verbal short hand, so “I’m” “I’ve” said in a gravely voice as a response is very prominent in my memories of that time. I have since moved further into town but I can spot that dielectric two rows over in Agway.
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