Hast thou said - Thou hast said. In the original no question is asked. Nathan assumes, as far as words go, that the king has made this declaration. He wishes to draw forth a disclaimer.
Related Commentaries of 1 Kings 1:24
1 Kings 1:24
24 And Nathan said, My lord, O king, hast thou said, Adonijah shall reign after me, and he shall sit upon my throne?