Dost thou now govern the kingdom of Israel? - This is not so much a question as an exclamation - a sarcastic taunt; “A pretty king thou art! Canst not thou use thy power and take what thy heart is set upon?”
arise, and eat bread, and let thine heart be merry: I will give thee the vineyard - After upbraiding Ahab for his pusillanimity and bidding him act as a king, Jezebel tells him to trouble himself no more about such a trifle; she would guarantee the possession of the vineyard.