la boite est vide
la boiter être vide
pro:obj v v:aux n
la boite est vide ?
l a WORD_BOUNDARY b w a t WORD_BOUNDARY ɛ WORD_BOUNDARY v i d WORD_BOUNDARY
l a WORD_BOUNDARY b o i t e WORD_BOUNDARY e s t WORD_BOUNDARY v i d e WORD_BOUNDARY