I wouldn't be so sure
I will be so sure
pro:sub mod cop adv adj
i wouldn't be so sure .
aɪ WORD_BOUNDARY w ʊ d ə n t WORD_BOUNDARY b iː WORD_BOUNDARY s oʊ WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY
i WORD_BOUNDARY w o u l d n ' t WORD_BOUNDARY b e WORD_BOUNDARY s o WORD_BOUNDARY s u r e WORD_BOUNDARY