8 verses have
then
in Edition Clear Qur'an by Talal Itani / Al-Anbiyaa (The Prophets)

21:6None of the towns We destroyed before them had believed. Will they, then, believe?

21:9Then We fulfilled Our promise to them, and We saved them together with whomever We willed, and We destroyed the extravagant.

21:12Then, when they sensed Our might, they started running away from it.

21:34We did not grant immortality to any human being before you. Should you die, are they then the immortal?

21:44We have given these enjoyments, and their ancestors, until time grew long upon them. Do they not see how We gradually reduce the land from its extremities? Are they then the victors?

21:64Then they turned to one another, and said, “You yourselves are the wrongdoers.”

21:80And We taught him the making of shields for you, to protect you from your violence. Are you, then, appreciative?

21:87And Jonah, when he stormed out in fury, thinking We had no power over him. But then He cried out in the darkness, “There is no god but You! Glory to You! I was one of the wrongdoers!”