The word(s) "past" appears 28 time(s) in 27 verse(s) in Quran in Mohsin Khan translation.

(21) Have they (the people of the past) transmitted this saying to these (Quraish pagans)? Nay, they are themselves a people transgressing beyond bounds (in disbelief)!

(22) Wasting your (precious) lifetime in pastime and amusements (singing, etc.).

(23) Verily, those who oppose Allah and His Messenger (Muhammad صلى الله عليه وسلم) will be disgraced, as those before them (among the past nation) were disgraced. And We have sent down clear Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.). And for the disbelievers is a disgracing torment.

(24) Eat and drink at ease for that which you have sent on before you in days past!

(25) And brought forth therefrom its water and its pasture.

(26) And Who has measured (preordainments for everything even to be blessed or wretched); and then guided (i.e. showed mankind the right as well as the wrong paths, and guided the animals to pasture).

(27) And Who brings out the pasturage,