1.- Tom can drive, but he doesn´t have a car.

2.- I can´t understand Martin I´ve never been able to understand him.

3.- I used to be able to satnd on my head, but I can´t do it now.

4.-Ask Ann about ypur problem. She should be able to help you



COULD...
1.-He can´t play tennis very well now, but he could play fairly well when he was younger..

2.- She can´t run very fast now, but when she was in school she could run faster than anyone else.

3.-I can´t swim very far these days, but ten years ago, I could swim from one side of the lake to the other.


WAS/WERE ABLE TO.
1.-Did they firid your house?.
 Yes, It took them a long time, but they were able to find it.


2.-Did you win the match?.
 Yes, It wasn´t easy, but I was able to win it.


3.-Did the thief escape?-
Yes,The police officer chassed that thief, but he was able to escape.


COULD WAS7WERE ABLE TO OR COULDN´T
1.-He had hurt his leg, so he couldn´t walk very well

2,-She wasn´t at home when I called her, but I was able to contact her office

3.-I looked very carefully, and I could was able to see a figure in the distance.

4.-They didn´t have any tomatoes in the first store I went to, but I was able to get some in the next.

5.-My grandmother loved music, She could was be able to play the piano very well.

6.-The boy fell into the river, but  fortunastely we could rescue him.