The word(s) "when" appears 1006 time(s) in 918 verse(s) in Quran in Muhammad Pickthal translation.

(581) And when it is recited unto them, they say: We believe in it. Lo! it is the Truth from our Lord. Lo! even before it we were of those who surrender (unto Him).

(582) And when they hear vanity they withdraw from it and say: Unto us our works and unto you your works. Peace be unto you! We desire not the ignorant.

(583) On the day when He will call unto them and say: Where are My partners whom ye imagined?

(584) And on the Day when He will call unto them and say: What answer gave ye to the messengers?

(585) And on the Day when He shall call unto them and say: Where are My partners whom ye pretended?

(586) Now Korah was of Moses' folk, but he oppressed them; and We gave him so much treasure that the stores thereof would verily have been a burden for a troop of mighty men. when his own folk said unto him: Exult not; lo! Allah loveth not the exultant;

(587) And Abraham! (Remember) when he said unto his folk: Serve Allah, and keep your duty unto Him; that is better for you if ye did but know.

(588) And Lot! (Remember) when he said unto his folk: Lo! ye commit lewdness such as no creature did before you.

(589) And when Our messengers brought Abraham the good news, they said: Lo! we are about to destroy the people of that township, for its people are wrong-doers.

(590) And when Our messengers came unto Lot, he was troubled upon their account, for he could not protect them; but they said: Fear not, nor grieve! Lo! we are to deliver thee and thy household, (all) save thy wife, who is of those who stay behind.