sentences:  With time these two varieties continued to evolve and influences one another.However, research on African American English did not become continuously and overwhelming explored until the 1960s and 1970s with many linguists including Robbins Burling, Ralph Fasold, Joey Dillard, William Labov, Williams Stewart, Geneva Smitherman, and Walt Wolfram to name a few.While African American English is still not considered an official variety by the dominant culture and educational system in the United States, it is a legitimate and verified variety by many scholars.