had been preoccupying
-había estado preocupando
Past perfect progressiveconjugation ofpreoccupy.There are other translations for this conjugation.

preoccupy

Individuals who have slept in SCP-3150-1 universally report that they had solved some mental preoccupation which had been preoccupying them following their visit.
Los individuos que han dormido en SCP-3150-1 informan universalmente que han resuelto alguna preocupación mental que les había estado preocupando después de su visita.
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