English - Advanced Grammar - Modals and modal verbs - Modal Meanings
5 boxes: ABILITY (can/could), PERMISSION (may/can), OBLIGATION (must/should/have to), POSSIBILITY (might/may/could), ADVICE (should/ought to). 15 sentences to sort by modal meaning: ABILITY: 'She can speak French.' 'I could swim when I was 5.' 'They are able to help.' PERMISSION: 'May I leave early?