2 verses have
“pflegten”
in Edition A. S. F. Bubenheim and N. Elyas / Al-Hijr (The Rock)
15:63Sie sagten: "Nein! Vielmehr kommen wir zu dir mit dem, woran sie zu zweifeln pflegten.
15:93über das, was sie zu tun pflegten.
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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