had been sponsoring
-había estado patrocinando
Past perfect progressiveconjugation ofsponsor.There are other translations for this conjugation.

sponsor

In 2009, it experienced an abrupt change when Motorola eliminated two-thirds of the projects that it had been sponsoring at Eldorado.
En 2009 sufrió un cambio abrupto, cuando Motorola recortó las dos terceras partes de los proyectos que patrocinaba en el mismo.
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