The verbe ischyō (to be able) in the Gospels-Actes

(Translation from NRSV for the New Testament)

Legend:
Red color: to be able in a negative sentence

Matthew

5: 13"You are the salt of the earth; but if salt has lost its taste, how can its saltiness be restored? It is no longer good (ischyō) for anything, but is thrown out and trampled under foot.
8: 28When he came to the other side, to the country of the Gadarenes, two demoniacs coming out of the tombs met him. They were so fierce that no one could (ischyō) pass that way.
9: 12But when he heard this, he said, "Those who are well (ischyō) have no need of a physician, but those who are sick.
26: 40Then he came to the disciples and found them sleeping; and he said to Peter, "So, could (ischyō) you not stay awake with me one hour?

Mark

2: 17When Jesus heard this, he said to them, "Those who are well (ischyō) have no need of a physician, but those who are sick; I have come to call not the righteous but sinners."
5: 4for he had often been restrained with shackles and chains, but the chains he wrenched apart, and the shackles he broke in pieces; and no one had the strength (ischyō) to subdue him.
9: 18and whenever it seizes him, it dashes him down; and he foams and grinds his teeth and becomes rigid; and I asked your disciples to cast it out, but they could (ischyō) not do so."
14: 37He came and found them sleeping; and he said to Peter, "Simon, are you asleep? Could (ischyō) you not keep awake one hour?

Luke

6: 48That one is like a man building a house, who dug deeply and laid the foundation on rock; when a flood arose, the river burst against that house but could (ischyō) not shake it, because it had been well built.
8: 43Now there was a woman who had been suffering from hemorrhages for twelve years; and though she had spent all she had on physicians, no one could (ischyō) cure her.
13: 24"Strive to enter through the narrow door; for many, I tell you, will try to enter and will not be able (ischyō).
14: 6And they could (ischyō) not reply to this.
14: 29Otherwise, when he has laid a foundation and is not able (ischyō) to finish, all who see it will begin to ridicule him,
14: 30saying, 'This fellow began to build and was not able (ischyō) to finish.'
16: 3Then the manager said to himself, 'What will I do, now that my master is taking the position away from me? I am not strong (ischyō) enough to dig, and I am ashamed to beg.
20: 26And they were not able (ischyō) in the presence of the people to trap him by what he said; and being amazed by his answer, they became silent.

John

21: 6He said to them, "Cast the net to the right side of the boat, and you will find some." So they cast it, and now they were not able (ischyō) to haul it in because there were so many fish.

Acts

6: 10But they could (ischyō) not withstand the wisdom and the Spirit with which he spoke.
15: 10Now therefore why are you putting God to the test by placing on the neck of the disciples a yoke that neither our ancestors nor we have been able (ischyō) to bear?
19: 16Then the man with the evil spirit leaped on them, mastered them all, and so overpowered (ischyō) them that they fled out of the house naked and wounded.
19: 20So the word of the Lord grew mightily and prevailed (ischyō).
25: 7When he arrived, the Jews who had gone down from Jerusalem surrounded him, bringing many serious charges against him, which they could (ischyō) not prove.
27: 16By running under the lee of a small island called Cauda we were scarcely able (ischyō) to get the ship's boat under control.