Compléter Fill in the Blanks: Permission, Prohibition, and ObligationVersion en ligne Test your knowledge of behavior regulation with this Fill in the Blanks game on permission, prohibition, and obligation. par Andrea Alaniz 1 We use can or to talk about and prohibition 2 Also we can use be to talk about or prohibition 3 We use / don't to , to talk about obligations 4 In language or written rules we use or 5 We use must to talk about , and mustn't to talk about prohibitions