Be on and Do a turn

Be on verb - Appear in a show, on T.V. or radio.

Do a turn and be on are semantically related in act topic. In some cases you can use "Do a turn" instead a verb phrase "Be on", when it comes to topics like entertain by playing a role.

Be on and do a turn are semantically related in act topic. You can use "Be on" instead a verb phrase "Do a turn", if it concerns topics such as entertain by playing a role.