5 Read the sentences. Which expresses: 15 A (ability), / (inability), P (permission), R (request). 1 Can I go to the park, Mum? 2 John can play tennis 3 Can I have some milk, please? 4 We can't sing well . 5 Can I stay at my friend's house tonight? 6 Will you help me with my homework? 6x16 point