وَيَقُولُونَ مَتَى هَذَا الْوَعْدُ إِن كُنتُمْ صَادِقِينَ
[27:71]
And they say: When will this threat come to pass, if you are truthful?
They also say: "When will this promise (come to pass)? (Say) if ye are truthful."
And they say: When (will) this promise (be fulfilled), if ye are truthful?