il sera plus beau
il être plus beau
pro:sub v:aux adv adj
il sera plus beau .
i l WORD_BOUNDARY s ə ʁ a WORD_BOUNDARY p l y WORD_BOUNDARY b o WORD_BOUNDARY
i l WORD_BOUNDARY s e r a WORD_BOUNDARY p l u s WORD_BOUNDARY b e a u WORD_BOUNDARY