情感和态度表达—— 能力　Ability

有能力

I can get the job done by myself.我自己能把工作干完。

We can definitely finish the project by tomorrow.我们明天肯定能完成这个项目。

I might be able to fix it for you.我能给你修好。

没有能力

John was unable to afford the house.约翰买不起这房子。