6. EXAMPLE I You(singular) He We You(plural) They canplay football. modal auxiliary main verb NoteThe modal auxiliary are always followed by the base form
7. Modal Auxiliaries: which divides these verbs into their various meanings of necessity, advice, ability, expectation, permission, possibility, etc .
18. Be able to + verb We often use to be able to or to be allowed to instead of "can". We can only form the Past of "can" (could). To put "can" into other tenses we need the phrases to be able to or to be allowed to. Affirmative sentences