The word(s) "certain" appears 498 time(s) in 437 verse(s) in Quran in Muhammad Habib Shakir translation.

(321) certainly there was a sign for Saba in their abode; two gardens on the right and the left; eat of the sustenance of your Lord and give thanks to Him: a good land and a Forgiving Lord!

(322) And certainly the Shaitan found true his conjecture concerning them, so they follow him, except a party of the believers.

(323) And those who disbelieve say: By no means will we believe in this Quran, nor in that which is before it; and could you see when the unjust shall be made to stand before their Lord, bandying words one with another! Those who were reckoned weak shall say to those who were proud: Had it not been for you we would certainly have been believers.

(324) certainly the word has proved true of most of them, so they do not believe.

(325) They said: Surely we augur evil from you; if you do not desist, we will certainly stone you, and there shall certainly afflict you a painful chastisement from us.

(326) And certainly he led astray numerous people from among you. What! could you not then understand?

(327) And if We please We would certainly put out their eyes, then they would run about groping for the way, but how should they see?

(328) What! when we are dead and have become dust and bones, shall we then certainly be raised,

(329) What! when we are dead and have become dust and bones, shall we then be certainly brought to judgment?

(330) And had it not been for the favor of my Lord, I would certainly have been among those brought up.