Dr Jamila Lyiscott describes to Michael Rosen the 3 ways in which she speaks English according to whether she's at home, at school or with friends. Her TED talk on the subject is one of the most-viewed language performances on the internet and is used in education. She self-describes as a trilingual orator and asks: who decides who is articulate? https://www.ted.com/talks/jamila_lyiscott_3_ways_to_speak_english?language=en Produced by Beth O'Dea for BBC Audio Bristol