hubieron cerciorado
-they/you had convinced
Preterite perfectellos/ellas/ustedesconjugation ofcerciorar.

cerciorar

Cuando uno por uno se hubieron cerciorado de la realidad, nuestra celda se lleno de improperios y maldiciones contra los comunistas y la política internacional.
When one by one they had verified my words, our cell resounded with bad words and cursing against the communists and against foreign policy.
Cuando se hubieron cerciorado que el calor proveniente desde el forúnculo del cuello se hubo estabilizado y no se proyectaba más allá de dos metros, el personal retornó a la celda y encontraron que en el interior estaba un vacio, contenido por el concreto reforzado.
When it was ascertained that the heat emerging from the neck boil had stabilised and was not projecting further than two metres, personnel returned to the cell and found that the interior was now little more than a vacuum contained by reinforced concrete.
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