il est trop serré
il être trop serré
pro:sub v:aux adv adj
il est trop serré ?
i l WORD_BOUNDARY ɛ WORD_BOUNDARY t ʁ o WORD_BOUNDARY s ɛ ʁ e WORD_BOUNDARY
i l WORD_BOUNDARY e s t WORD_BOUNDARY t r o p WORD_BOUNDARY s e r r é WORD_BOUNDARY