"Or do you have oaths from Us, binding until the Day of Resurrection, that you will have whatever you judge?"—meaning: what you judge. He says: Or have We sworn to you that you will have what you judge? Meaning: We have not done so.
﴿أَمْ لَكُمْ أَيْمَانٌ عَلَيْنَا بَالِغَةٌ إِلَى يَوْمِ الْقِيَامَةِ إِنَّ لَكُمْ لما تحكمون﴾ أَيْ: مَا تَحْكُمُونَ، يَقُولُ: أَمْ حَلَفْنَا لَكُمْ بِأَنَّ لَكُمْ مَا تَحْكُمُونَ بِهِ. أَيْ: لَمْ نَفْعَلْ