The word(s) "verifying" appears 18 time(s) in 17 verse(s) in Quran in Muhammad Habib Shakir translation.

(11) And We have revealed to you the Book with the truth, verifying what is before it of the Book and a guardian over it, therefore judge between them by what Allah has revealed, and do not follow their low desires (to turn away) from the truth that has come to you; for every one of you did We appoint a law and a way, and if Allah had pleased He would have made you (all) a single people, but that He might try you in what He gave you, therefore strive with one another to hasten to virtuous deeds; to Allah is your return, of all (of you), so He will let you know that in which you differed;

(12) And this is a Book We have revealed, blessed, verifying that which is before it, and that you may warn the metropolis and those around her; and those who believe in the hereafter believe in it, and they attend to their prayers constantly.

(13) And my brother, Haroun, he is more eloquent of tongue than I, therefore send him with me as an aider, verifying me: surely I fear that they would reject me.

(14) And that which We have revealed to you of the Book, that is the truth verifying that which is before it; most surely with respect to His servants Allah is Aware, Seeing.

(15) And before it the Book of Musa was a guide and a mercy: and this is a Book verifying (it) in the Arabic language that it may warn those who are unjust and as good news for the doers of good.

(16) They said: O our people! we have listened to a Book revealed after Musa verifying that which is before it, guiding to the truth and to a right path:

(17) And when Isa son of Marium said: O children of Israel! surely I am the apostle of Allah to you, verifying that which is before me of the Taurat and giving the good news of an Apostle who will come after me, his name being Ahmad, but when he came to them with clear arguments they said: This is clear magic.