Упр. 461. Переведите на английский язык, употребляя модальный глагол can (could).

1. I can speak in English. 2. My dad does not know how to speak German. 3. Do you know how to speak French? 4. My sister does not know how to skate. 5. You can swim across this river? 6. I can not drink this milk. 7. She can not understand you. 8. You could swim in the past year? 9. Last year, I did not know how to ski, but now I can. 10. You can not tell me how to get to the station? 11. Not if you could help me? 12. I can not put this proposal. 13. No one could help me. 14. Where is possible to buy bread? 15. Your grandmother knew how to dance when she was young? Yes, and now she is able.