ben oui il est tombé
ben oui il être tomber
co co pro:sub v:aux part
ben oui il est tombé !
b ɛ n WORD_BOUNDARY  w i WORD_BOUNDARY i l WORD_BOUNDARY ɛ WORD_BOUNDARY t ɔ̃ b e WORD_BOUNDARY
b e n WORD_BOUNDARY o u i WORD_BOUNDARY i l WORD_BOUNDARY e s t WORD_BOUNDARY t o m b é WORD_BOUNDARY