hubieren aprendido
-they/you will have learnt
Future perfect subjunctiveellos/ellas/ustedesconjugation ofaprender.

aprender

Poco sabían de la responsabilidad que sería de ellos cuando se hubieren sometido a la disciplina y hubieren aprendido perfectamente a obedecer al Maestro y hubieren terminado su entrenamiento.
Little did they know of the responsibility that was to be theirs when they had submitted to the discipline, learned to perfectly obey the Master and finished their training.
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