who invented something
who invent something
pro:int part pro:indef
who invented something ?
h uː WORD_BOUNDARY ɪ n v ɛ n t ɪ d WORD_BOUNDARY s ʌ m θ ɪ ŋ WORD_BOUNDARY
w h o WORD_BOUNDARY i n v e n t e d WORD_BOUNDARY s o m e t h i n g WORD_BOUNDARY