I still don't know
I still do know
pro:sub adv mod v
i still don't know .
aɪ WORD_BOUNDARY s t ɪ l WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY
i WORD_BOUNDARY s t i l l WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY