il y a rien derrière
il y avoir rien derrière
pro:sub pro:y v:aux n n
il y a rien derrière .
i l WORD_BOUNDARY i WORD_BOUNDARY a WORD_BOUNDARY ʁ j ɛ̃ WORD_BOUNDARY d ɛ ʁ j ɛ ʁ WORD_BOUNDARY
i l WORD_BOUNDARY y WORD_BOUNDARY a WORD_BOUNDARY r i e n WORD_BOUNDARY d e r r i è r e WORD_BOUNDARY