yo denunciaba
I used to denounce / I was denouncing
tú denunciabas
you used to denounce / you were denouncing
él denunciaba
he used to denounce / he was denouncing
nosotros denunciábamos
we used to denounce / we were denouncing
vosotros denunciabais
you used to denounce / you were denouncing
ellos denunciaban
they used to denounce / they were denouncing