Exercise I-Directions: Complete the sentences using the modal verbs of ability and permission "can", "could", "may" (can't, couldn't, may not) Which is which? 12345 1. You leave if you wish. you swim when you were 10? lift this box it's too heavy. play the piano very well. God give you a long life! we play tennis, Mommy? hurry, I miss the bus. 3.1 4. Gill 5. 6. 7. If I don't 8. Julien 9.1 play excellent golf when he was only ten. understand the book we had to read for our homework. play chess really well. 10. John 11. 12. Most dinosaurs walked on land, but some 13. The streets are wet this morning. I'm not sure but it 14.1 not see him. 15. I use your phone please.​