It appears that the present-day form of African American English is not the inheritance of the period of slavery, but the creation of the second half of the 20th century.
“I met Bill Clinton in 1977 while I was working as a news reporter for KARK-TV in Little Rock, Arkansas. Shortly after we met, we began a sexual relationship that lasted for twelve years.”
“When I came there I found all my family gone, for the Indians had killed five people in the winter near that place, which frightened my wife and family away to Roanoke about 35 miles nearer in among the inhabitants, which I was informed of by an old man I met near the place.”