Unit 18 - Modals, Phrasal verbs and Passive voice ...
https://quizlet.com/137147897/unit-18-modals-phrasal-verbs-and-passive...can, could, may, might, shall, should, will, would, must, have to, have got to, need to, needn't, ought to used before other verbs to add to main verb (in its base form) in present and future. Past modals with more than one meaning may express past ideas in diff ways. express: obligation, possibility, permission/prohibition, ability, advice
Unit 12 - Modals, Phrasal Verbs and Passive Voice | Verb ...
https://www.scribd.com/.../Unit-12-Modals-Phrasal-Verbs-and-Passive-VoiceITTT 012 International TEFL Teacher Training 2 MODAL AUXILIARY VERBS Basic rules The modals are: can, could, may, might, shall, should, will, would, must, have to, have got to, need to, neednt and ought to. They are used before other verbs to add meaning to the main verb.