I don't really know
I do really know
pro:sub mod adv v
i don't really know.
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY ɹ iə l i WORD_BOUNDARY n oʊ WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY r e a l l y WORD_BOUNDARY k n o w . WORD_BOUNDARY