3 verses have
“were”
in Edition Clear Qur'an by Talal Itani / Luqman (Luqman)
31:16“O my son, even if it were the weight of a mustard-seed, in a rock, or in the heavens, or on earth, God will bring it to light. God is Kind and Expert.
31:20Do you not see how God placed at your service everything in the heavens and the earth? How He showered you with His blessings, both outward and inward? Yet among the people is he who argues about God without knowledge, without guidance, and without an enlightening Scripture.
31:27If all the trees on earth were pens, filled by the ocean, with seven more oceans besides, the Words of God would not run out. God is Majestic and Wise.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274