when did you start going to school
when do you start go to school
conj mod pro:per v part prep n
when did you start going to school ?
w ɛ n WORD_BOUNDARY d ɪ d WORD_BOUNDARY j uː WORD_BOUNDARY s t ɑː ɹ t WORD_BOUNDARY ɡ oʊ ɪ ŋ WORD_BOUNDARY t ə WORD_BOUNDARY s k uː l WORD_BOUNDARY
w h e n WORD_BOUNDARY d i d WORD_BOUNDARY y o u WORD_BOUNDARY s t a r t WORD_BOUNDARY g o i n g WORD_BOUNDARY t o WORD_BOUNDARY s c h o o l WORD_BOUNDARY