il y a des souris
il y avoir de souris
pro:sub pro:y v:aux prep n
il y a des souris .
i l WORD_BOUNDARY i WORD_BOUNDARY a WORD_BOUNDARY d e WORD_BOUNDARY s u ʁ i WORD_BOUNDARY
i l WORD_BOUNDARY y WORD_BOUNDARY a WORD_BOUNDARY d e s WORD_BOUNDARY s o u r i s WORD_BOUNDARY