didn't you understand that
do you understand that
mod pro:per v pro:dem
didn't you understand that ?
d ɪ d n t WORD_BOUNDARY j uː WORD_BOUNDARY ʌ n d ɚ s t æ n d WORD_BOUNDARY ð æ t WORD_BOUNDARY
d i d n ' t WORD_BOUNDARY y o u WORD_BOUNDARY u n d e r s t a n d WORD_BOUNDARY t h a t WORD_BOUNDARY