certificaban
Imperfecto para el sujeto ellos/ellas/ustedes del verbo certificar.

certificar

Popularity
500+ learners.
La fiabilidad de los datos era a veces dudosa, porque los gastos no siempre se certificaban y verificaban debidamente y, en algunos casos, los informes financieros se basaban en estimaciones e hipótesis.
Data reliability was sometimes questionable because expenditures were not always properly certified and verified, and in some instances financial reports were based on estimates and assumptions.
Palabra del día
el sastre