I didn't understand what you said
I do understand what you say
pro:sub mod v pro:int pro:per v
i didn't understand what you said .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY ʌ n d ɚ s t æ n d WORD_BOUNDARY w ʌ t WORD_BOUNDARY j uː WORD_BOUNDARY s ɛ d WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY u n d e r s t a n d WORD_BOUNDARY w h a t WORD_BOUNDARY y o u WORD_BOUNDARY s a i d WORD_BOUNDARY