Example |
Tense |
I can do it nowadays. |
Present |
I could do it before, but not anymore. |
Past |
I was able to do it before, but not anymore. |
Past |
I have been able to do it for years now. |
Present Perfect |
I had been able to do it long before you learned it. |
Past Perfect |
I will be able to do it in a year. |
Future |