Quran 21:38

Yet they say: "When will the promised threat come to pass, if you speak the truth?"

And they say, ‘When will this promise be fulfilled, if you are truthful?’

And they say, “When will this promise occur, if you are truthful?

They say, 'And when shall the promise come to pass, if you speak truly?'

And they say, "When (will be fulfilled) this promise, if you are truthful?"

And they say: when cometh this torment if ye are truth- tellers!

And they say: "When will this promise (come to pass), if you are truthful."

They say: "(Tell us) when will the threat of punishment come to pass if you are truthful?"

They say, "When shall the Day of Judgment come to pass if you are true in your claim?"

And they say: When will this threat come to pass if you are truthful?

And they say: When will this promise (be fulfilled), if ye are truthful?

They say: 'If you are truthful, when will this promise come'

And they say, "When is this promise, if you should be truthful?"

And they say, “When will this promise come true, if you are truthful?”

They ask, "When will this promise be fulfilled, if what you say be true?"

They say: "When will this promise come to pass, if ye are telling the truth?"