Modals Can, May, Must, Shall, Will, Ought to, Need, Be to, Have to, Would, Should, Used to OUGHT TO Moral duty, insistent advice, strict recommendation NEED (un)necessity BE TO Obligation arising out of arrangement or agreement HAVE TO Unwillingness, forced circumstances WOULD Wish (with “to like”), polite request, a habit of the past SHOULD Necessity, advice, blame, recommendation, reproach, regret USED TO Repeated action in the past CAN Ability, doubt, astonishment, permission, Polite…