il s'est cassé donne
il être casser donner
pro:sub v:aux part v
il s'est cassé donne !
i l WORD_BOUNDARY s ɛ WORD_BOUNDARY k a s e WORD_BOUNDARY d ɔ n WORD_BOUNDARY
i l WORD_BOUNDARY s ' e s t WORD_BOUNDARY c a s s é WORD_BOUNDARY d o n n e WORD_BOUNDARY