how old are you
how old be you
pro:int adj aux pro:per
how old are you ?
h aʊ WORD_BOUNDARY oʊ l d WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY j uː WORD_BOUNDARY
h o w WORD_BOUNDARY o l d WORD_BOUNDARY a r e WORD_BOUNDARY y o u WORD_BOUNDARY