In my previous post about "Chantal," I mentioned that she said she had never been to "no restaurant."  Actually, I think she may have said "I ain't never been to no restaurant."  A couple of people expressed surprise that a high school graduate who is now attending college would have said something that grammatically incorrect, and I realized that I haven't explained academic language.   While Chantal may not have received the best education (except in third grade, of course!), she did get an education, she did well in school, and she's a smart person.  I haven't seen her high school papers, but I'm sure she knows not to use double negatives or the word "ain't."  There's (probably) a difference between how she writes and how she speaks.   The interesting part about this is that many people are aware that there is a difference between Black English Vernacular ("ebonics") and academic language.  So we know that...
Author of Literally Unbelievable: Stories of an East Oakland Classroom