1. Tom can drive but he hasn’t got a car. 2. I was tired and I could fall asleep at once. 3. If the weather is fine tomorrow we will be able to go to the country. 4. He won't be able to go to the theatre next Sunday. 5. John is good at Maths and can do any sums. 6. As Lilly helped us we could finish the work in time. 7. Ask Ann about your problem. She can help you. 8. I can’t understand Martin. I’ve never could understand him. 9. He couldn't come to the last meeting as he was ill. 10. Tom can play the guitar well. 11. If you come to us next summer I will be able to show you our town. 12. Mary has never been able to dress properly. 13. In an hour I’ll be free and will be able to join you. 14. It rained last night and we couldn't go out. 15. Last summer Robert could play football rather well, but he won't able to play football during the coming season as he has hurt his leg.
