1) Last week we could go swimming, this week we can't. | 2) Maybe the Smiths will be able to build a new house next year. | 3) If you try hard, you can pass your examinations. | 4) When I was five, I could not swim. | 5) Dennis could play the trumpet after four months. | 6) Luke has passed his driving test, now he can drive a car. | 7) For three weeks I could not speak to him on the phone. | 8) Alex will not be able to do his homework when his desk is in such a mess. | 9) They were so busy, they could not write me a text message. | 10) Lisa has been able to clean her dress. She can wear it again. | | | | 1) Last week we could go swimming, this week we can't. | 2) Maybe the Smiths will be able to build a new house next year. | 3) If you try hard, you can pass your examinations. | 4) When I was five, I could not swim. | 5) Dennis could play the trumpet after four months. | 6) Luke has passed his driving test, now he can drive a car. | 7) For three weeks I could not speak to him on the phone. | 8) Alex will not be able to do his homework when his desk is in such a mess. | 9) They were so busy, they could not write me a text message. | 10) Lisa has been able to clean her dress. She can wear it again. | | | | 1) Last week we could go swimming, this week we can't. | 2) Maybe the Smiths will be able to build a new house next year. | 3) If you try hard, you can pass your examinations. | 4) When I was five, I could not swim. | 5) Dennis could play the trumpet after four months. | 6) Luke has passed his driving test, now he can drive a car. | 7) For three weeks I could not speak to him on the phone. | 8) Alex will not be able to do his homework when his desk is in such a mess. | 9) They were so busy, they could not write me a text message. | 10) Lisa has been able to