Relier Pairs Modal verbs. Version en ligne Match the correct modal verb with the example. par Isabel Gallego Chaves 1 CAN - possibility 2 DON'T HAVE TO - no obligation 3 MUST - deduction 4 CAN - ability 5 CAN - Permission (informal) 6 MUSTN'T - prohibition 7 HAVE TO - obligation (external) 8 MAY - permission (formal) 9 MAY - possibility 10 MUST - obligation (personal) I am busy all day but I may lend you a hand after work. "May I come in?" I asked the headmaster. Eddie's twin brother must be the one on the left because they look alike. Walter can check his emails when he is cooking Passengers must check that they have their luggage. If your car is correctly parked, you don't have to worry. You can't be on time, the bus left ten minutes ago Can I make a phone call? You mustn't leave the school jumping over the fence. Passengers have to hold their passports when passing the police control.