We prevented them from counting.Les hemos impedido contar.
But your partner thinks the impact might have been prevented.Su compañero cree que el impacto pudo haberse impedido.
... and their allies are prevented from joining against him.... y sus aliados son impedido unirse contra él.
... a dizzy spell, has prevented me from getting up.... un mareo, me ha impedido levantarse.
That might have prevented our sensors detecting it.Quizá haya impedido que los sensores lo detectaran.
... sufficient political will have prevented these commitments being used by their ...... voluntad política suficiente han impedido su utilización por sus ...