'Able' in the Bible

But now he is dead. Why should I fast? Am I able to bring him back? I will go to him, but he cannot return to me!'"

But you will be able to counter the advice of Ahithophel if you go back to the city and say to Absalom, 'I will be your servant, O king! Previously I was your father's servant, and now I will be your servant.'

I am presently eighty years old. Am I able to discern good and bad? Can I taste what I eat and drink? Am I still able to hear the voices of male and female singers? Why should I continue to be a burden to my lord the king?