I didn't even know
I do even know
pro:sub mod adv v
i didn't even know .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY iː v ə n WORD_BOUNDARY n oʊ WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY e v e n WORD_BOUNDARY k n o w WORD_BOUNDARY