As they were about to take Paul into the barracks, he asked the commander, "May I say something to you?" "Do you speak Greek?" he replied.

Acts 21:34
Some in the crowd were shouting one thing, and some another. And since the commander could not get at the truth because of the uproar, he ordered that Paul be brought into the barracks.

Acts 22:24
the commander ordered that Paul be brought into the barracks. He directed that Paul be flogged and interrogated to determine the reason for this outcry against him.

Acts 23:10
The dispute grew so violent that the commander was afraid they would tear Paul to pieces. He ordered the soldiers to go down and remove him by force and bring him into the barracks.

Acts 23:16
But when the son of Paul's sister heard about the plot, he went into the barracks and told Paul.

And as Paul was to be led into the castle, he said to the chief captain, May I speak to you? Who said, Can you speak Greek?