4 verses have
may
in Edition Clear Qur'an by Talal Itani / Al-Kahf (The Cave)

18:6Perhaps you may destroy yourself with grief, chasing after them, if they do not believe in this information.

18:19Even so, We awakened them, so that they may ask one another. A speaker among them said, “How long have you stayed?” They said, “We have stayed a day, or part of a day.” They said, “Your Lord knows best how long you have stayed.” “Send one of you to the city, with this money of yours, and let him see which food is most suitable, and let him bring you some provision thereof. And let him be gentle, and let no one become aware of you.”

18:66Moses said to him, “May I follow you, so that you may teach me some of the guidance you were taught?”

18:86Until, when he reached the setting of the sun, he found it setting in a murky spring, and found a people in its vicinity. We said, “O Zul-Qarnain, you may either inflict a penalty, or else treat them kindly.”