I don't know him
I do know him
pro:sub mod v pro:obj
i don't know him .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY h ɪ m WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY h i m WORD_BOUNDARY