Process or Result? (Past)

In the past tense, the aspect of the verb shows how you see the action. Use the imperfective participle for an action in progress, for how long it lasted or for a repeated action: Ана је читала књигу два сата. (Ana was reading the book for two hours.) Use the perfective participle for an action that was finished and has a result: Ана је прочитала целу књигу за два дана. (Ana read the whole book in two days.)

• Duration words such as два сата, цело вече, цео дан, дуго, током филма → читала, писао, јео
• за + time (meaning within), or a whole or counted object such as цео колач, све речи, три флаше → прочитала, написао, појео

The participle agrees with the subject: -о (он), -ла (она, деца), -ли (они), -ле (оне).