This is the 9645th most frequent Portuguese word.
corria
"Corria" means "used to run" or "was running" in English.
Here, 'corria' is used in the past tense, indicative mood, describing a repeated action in the past.
Ele corria todos os dias no parque.
He used to run every day in the park.
In this case, 'corria' is again past tense, indicative mood, but it's used to talk about a habitual action that was unknown to the speaker.
Eu não sabia que ela corria pela manhã.
I didn't know she ran in the morning.
Here, 'corria' is used in a conditional form to describe a hypothetical situation and its consequence in the past.