Martes 1/Dic/09

BE ABLE TO
A. I'm really sorry, but I won't be able to work this weekend
B. Oh? Why not?
A. I have to aftend a wedding out of town
B. No problem. It's Okay

I |
He |
She |
It > Will/won't be able to work
We |
You |
They|

I |
He > Was/wasn't able to work
She|
It |

I |
He |
She |
It > Could/couldn't work
We |
You |
They|

We |
You > Were/weren't able to work
They|