I don't know sit on it
I do know sit on it
pro:sub mod v v prep pro:per
i don't know sit on it !
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY s ɪ t WORD_BOUNDARY ɔ n WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY s i t WORD_BOUNDARY o n WORD_BOUNDARY i t WORD_BOUNDARY