Modal Verbs and Example Sentences
| HAVE TO | Unwillingness, forced circumtances |
| 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 |
| OUGHT TO | Moral duty, insistent advice, strict recommendation |
| NEED | (un)necessity |
| BE TO | Obligation arising out of arrangement or agreement |
