as follows for, and, nor, but, or, yet, so. (Helpful hint: The first letter of each of the coordinators spells FANBOYS.) Except for very short sentences, coordinators are always preceded by a comma. In the following compound sentences, subjects are in yellow, verbs are in green, and the coordinators and the commas that precede them are in red A, tried to speak Spanish and my friend tried to speak English. B. Alejandro played footbal d Maria Went shopping c. Alejandro played football f Maria went shopping.