Conditionnel potentiel (présent)
S1. advertisehen pe advertisahen
S2. advertisehes pe advertisahes
S3. advertisehe pe advertisahe
P1. advertisehemp pe advertisahemp
P2. advertisehec'h pe advertisahec'h
P3. advertisehent pe advertisahent
I. advertisehed pe advertisahed
Conditionnel irréel (passé)
S1. advertisezen pe advertisazen
S2. advertisezes pe advertisazes
S3. advertiseze pe advertisaze
P1. advertisezemp pe advertisazemp
P2. advertisezec'h pe advertisazec'h
P3. advertisezent pe advertisazent
I. advertisezed pe advertisazed