start start doing what
start start do what
v v part pro:int
start start doing what?
s t ɑ ɹ t WORD_BOUNDARY s t ɑ ɹ t WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY w ʌ t WORD_BOUNDARY
s t a r t WORD_BOUNDARY s t a r t WORD_BOUNDARY d o i n g WORD_BOUNDARY w h a t ? WORD_BOUNDARY