The word(s) "used" appears 281 time(s) in 264 verse(s) in Quran in Mohsin Khan translation.

(131) In pride (they - Quraish pagans and polytheists of Makkah used to feel proud that they are the dwellers of Makkah sanctuary - Haram), talking evil about it (the Qur'an) by night.

(132) "Were not My Verses (this Qur'an) recited to you, and then you used to deny them?"

(133) Verily there was a party of My slaves, who used to say: "Our Lord! We believe, so forgive us, and have mercy on us, for You are the Best of all who show mercy!"

(134) But you took them for a laughing stock, so much so that they made you forget My Remembrance while you used to laugh at them!

(135) On the Day when their tongues, their hands, and their legs (or feet) will bear witness against them as to what they used to do.

(136) And indeed they have passed by the town [of Prophet Lut (Lot)] on which was rained the evil rain. Did they (disbelievers) not then see it (with their own eyes)? Nay! But they used not to expect any resurrection.

(137) Thus [We turned them (Pharaoh's people) out] and We caused the Children of Israel to inherit them.

(138) And it will be said to them: "Where are those (the false gods whom you used to set up as rivals with Allah) that you used to worship.

(139) He said: "And what knowledge have I of what they used to do?

(140) Thus have We caused it (the denial of the Qur'an) to enter the hearts of the Mujrimun (criminals, polytheists, sinners).