hubieran asimilado
-they/you had assimilated
Past perfect subjunctiveellos/ellas/ustedesconjugation ofasimilar.

asimilar

Si los habitantes de la Tierra hubieran asimilado las lecciones enseñadas por Su Maestro Mayor, no sería necesario tanto dolor y tal movilización universal.
If the inhabitants of the Earth had assimilated the lessons that was taught by His Larger Master, it would not be necessary so much pain and this universal mobilization.
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