il est facile lui
il être facile lui
pro:sub v:aux adj pro:ind
il est facile lui ?
i l WORD_BOUNDARY ɛ WORD_BOUNDARY f a s i l WORD_BOUNDARY l y i WORD_BOUNDARY
i l WORD_BOUNDARY e s t WORD_BOUNDARY f a c i l e WORD_BOUNDARY l u i WORD_BOUNDARY ? WORD_BOUNDARY