'Do You Not Know' in the Bible

Joseph said to them, "What deed is this that you have done? Do you not know that such a man as I can indeed divine?"

Then three thousand men of Judah went down to the cleft of the rock of Etam, and said to Samson, "Do you not know that the Philistines are rulers over us? What then is this that you have done to us?" He said to them, "As they did to me, so have I done to them."

Then Abner called to Joab, and said, "Shall the sword devour forever? Do you not know that it will be bitterness in the latter end? How long shall it be then, before you ask the people to return from following their brothers?"

The king said to his servants, "Do you not know that there a prince and a great man has fallen this day in Israel?

Do you not know what I and my fathers have done to all the peoples of the lands? Were the gods of the nations of the lands in any way able to deliver their land out of my hand?

Do you not know this from old time, since man was placed on earth,

Haven't you asked wayfaring men? Do you not know their evidences,

Behold, I will do a new thing. It springs forth now. Do you not know it? I will even make a way in the wilderness, and rivers in the desert.

"Say now to the rebellious house, 'Do you not know what these things mean?' Tell them, 'Behold, the king of Babylon came to Jerusalem, and took its king, and its princes, and brought them to him to Babylon:

Then the angel who talked with me answered me, "Do you not know what these are?" I said, "No, my lord."

He answered me, "Do you not know what these are?" I said, "No, my lord."