2 verses have
“could”
in Edition Clear Qur'an by Talal Itani / An-Nahl (The Bee)
16:7And they carry your loads to territory you could not have reached without great hardship. Your Lord is Clement and Merciful.
16:9It is for God to point out the paths, but some of them are flawed. Had He willed, He could have guided you all.
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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