The word(s) "doing" appears 56 time(s) in 56 verse(s) in Quran in Muhammad Pickthal translation.

(31) In truth thy Lord destroyed not the townships tyrannously while their folk were doing right.

(32) One among them said: Kill not Joseph but, if ye must be doing, fling him into the depth of the pit; some caravan will find him.

(33) He said: Here are my daughters, if ye must be doing (so).

(34) If Allah were to take mankind to task for their wrong-doing, he would not leave hereon a living creature, but He reprieveth them to an appointed term, and when their term cometh they cannot put (it) off an hour nor (yet) advance (it).

(35) And faces humble themselves before the Living, the Eternal. And he who beareth (a burden of) wrongdoing is indeed a failure (on that day).

(36) They cried: Burn him and stand by your gods, if ye will be doing.

(37) And We made them chiefs who guide by Our command, and We inspired in them the doing of good deeds and the right establishment of worship and the giving of alms, and they were worshippers of Us (alone).

(38) And when thou art on board the ship, thou and whoso is with thee, then say: Praise be to Allah Who hath saved us from the wrongdoing folk!

(39) So the (Awful) Cry overtook them rightfully, and We made them like as wreckage (that a torrent hurleth). A far removal for wrongdoing folk!

(40) Nay, but their hearts are in ignorance of this (Qur'an), and they have other works, besides, which they are doing;