no I couldn't come
no I could come
co pro:sub mod v
no i couldn't come .
n oʊ WORD_BOUNDARY aɪ WORD_BOUNDARY k ʊ d ə n t WORD_BOUNDARY k ʌ m WORD_BOUNDARY
n o WORD_BOUNDARY i WORD_BOUNDARY c o u l d n ' t WORD_BOUNDARY c o m e WORD_BOUNDARY