mais c'était y a longtemps
mais être y avoir longtemps
adv v:exist pro:y v:aux n
mais c'était y a longtemps .
m ɛ WORD_BOUNDARY s e t ɛ t WORD_BOUNDARY i WORD_BOUNDARY a WORD_BOUNDARY l ɔ̃ t ɑ̃ WORD_BOUNDARY
m a i s WORD_BOUNDARY c ' é t a i t WORD_BOUNDARY y WORD_BOUNDARY a WORD_BOUNDARY l o n g t e m p s WORD_BOUNDARY