I couldn't understand that
I could understand that
pro:sub mod v pro:dem
i couldn't understand that .
aɪ WORD_BOUNDARY k ʊ d ə n t WORD_BOUNDARY ʌ n d ɚ s t æ n d WORD_BOUNDARY ð æ t WORD_BOUNDARY
i WORD_BOUNDARY c o u l d n ' t WORD_BOUNDARY u n d e r s t a n d WORD_BOUNDARY t h a t WORD_BOUNDARY