he didn't know you
he do know you
pro:sub mod v pro:per
he didn't know you .
h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY n oʊ WORD_BOUNDARY j uː WORD_BOUNDARY
h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY y o u WORD_BOUNDARY