The word would end with ed
Narrates specific events.
Specific event, completed
A single event, or an event that happened a specific number of times ( je suis allée en france une fois).
Indicates a change in physical or mental state at a precise moment or for an isolated cause ( j'ai eu peur du chien quand je l' ai entendu aboyer).
Helping verbs can be avoir or être congagated.
The past participle:
Er. = é
Ir. = i
Re. = u
For past participle you word drop the er, ir , re ending and replace it with é, i, u.