2 verses have
seen
in Edition Clear Qur'an by Talal Itani / Luqman (Luqman)

31:29Have you not seen how God merges the night into the day, and merges the day into the night? That He subjected the sun and the moon, each running for a stated term? And that God is Cognizant of everything you do?

31:31Have you not seen how the ships sail through the sea, by the grace of God, to show you of His wonders? In that are signs for every persevering, thankful person.