This is the 278th most frequent Finnish word.
kertonut
"Has told" or "told."
In this sentence, 'kertonut' is the past participle of the verb 'kertoa' conjugated in the active voice, representing completed action.
Olen kertonut sinulle kaiken.
I have told you everything.
Here, 'kertonut' is used in the conditional perfect tense to indicate an action that could have been completed under certain conditions.
Hän olisi kertonut tarinan, jos olisi ollut aikaa.
She would have told the story if there had been time.
In this example, 'kertonut' forms part of a question to inquire if someone has performed the action of telling in the past.