yo me atenía
I used to rely on / I was relying on
tú te atenías
you used to rely on / you were relying on
él se atenía
he used to rely on / he was relying on
nosotros nos ateníamos
we used to rely on / we were relying on
vosotros os ateníais
you used to rely on / you were relying on
ellos se atenían
they used to rely on / they were relying on