Possible Results:
hubiera filtrado
-I had filtered
Past perfect subjunctiveyoconjugation offiltrar.
hubiera filtrado
-he/she/you had filtered
Past perfect subjunctiveél/ella/ustedconjugation offiltrar.

filtrar

Si se hubiera filtrado, no nos habríamos dado cuenta.
If it leaked, we wouldn't have noticed.
Seamos sinceros, en vísperas del evento Made by Google, todo el mundo esperaba la presentación de al menos un dispositivo que no se hubiera filtrado en la red en los últimos meses.
Let's be honest, on the eve of the event Made by Google everyone expected to see at least one device not leaked in recent months or weeks.
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