Don't forget to put punctuation marks! Her bag was stolen some days ago.
Не забудьте поставить знаки препинания! Несколько дней назад ее сумка была украдена.
was stolen — Past Indefinite, Passive voice.
In Passive voice the subject takes the action, it is not the doer of the action. Predicate is formed with the help of auxiliary verb to be + the third form of verb.
