disminuía

first-person form-of imperfect indicative singular third-person

disminuir の一人称/三人称単数過去未完了直説法

English Meaning

first/third-person singular imperfect indicative of disminuir

El número de accidentes disminuía significativamente gracias a las nuevas regulaciones de tráfico.

交通事故の件数は新しい交通規制のおかげで著しく減少していた。

The number of accidents was decreasing significantly thanks to the new traffic regulations.