2 verses have
could
in Edition Clear Qur'an by Talal Itani / Al-Israa (The Night Journey)

17:86If We willed, We could take away what We revealed to you. Then you will find for yourself no protecting guardian against Us.

17:88Say, “If mankind and jinn came together to produce the like of this Quran, they could never produce the like of it, even if they backed up one another.”