Complete the sentences with the correct form of can, could or be able to. 1 Fantastic! Mum says I _______ stay out until 11.00 p.m. 2 I'm sure that if you concentrated, you _______ do it. 3 _______ you turn the music down, please? 4 The writing was too small. I _______ make out what it said. 5 The fog cleared, so we _______ drive home without too many problems. 6 If you don't study hard, you _______ go to university.