This is the 1735th most frequent Swedish word.
användes
"Användes" means "was used" in English.
The verb 'användes' here is in the past passive voice, indicating that the book was utilized by someone (students).
Boken användes av studenterna för att lära sig historia.
The book was used by the students to learn history.
'Användes' is employed here to specify the past passive action of the tools being utilized for a purpose.
Verktygen användes för att reparera den gamla maskinen.
The tools were used to repair the old machine.
This sentence uses 'användes' to describe the habitual passive action of the program's use in a past timeframe.