Bel­liger­ent white woman: Could you get of the way?
Black teen: I be try­ing!
Bel­liger­ent white woman: You should speak gra­mat­i­cal­ly cor­rect­ly!
Smar­tass: “I be try­ing” is­n’t un­gram­mat­i­cal. It’s stan­dard us­age in African-Amer­i­can ver­nac­u­lar Eng­lish.
Bel­liger­ent white woman: Oh, what would you know?
Smar­tass: I have a Ph.D. in lin­guis­tics from MIT.

–A train