I didn't bring one
I do bring one
pro:sub mod v det:num
i didn't bring one .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY b ɹ ɪ ŋ WORD_BOUNDARY w ʌ n WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY b r i n g WORD_BOUNDARY o n e WORD_BOUNDARY