he didn't know what he was doing
he do know what he be do
pro:sub mod v pro:int pro:sub aux part
he didn't know what he was doing .
h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY n oʊ WORD_BOUNDARY w ʌ t WORD_BOUNDARY h iː WORD_BOUNDARY w ʌ z WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY w h a t WORD_BOUNDARY h e WORD_BOUNDARY w a s WORD_BOUNDARY d o i n g WORD_BOUNDARY