I ain't seen that
I be see that
pro:sub aux part pro:dem
i ain't seen that .
aɪ WORD_BOUNDARY eɪ n t WORD_BOUNDARY s iː n WORD_BOUNDARY ð a t WORD_BOUNDARY
i WORD_BOUNDARY a i n ' t WORD_BOUNDARY s e e n WORD_BOUNDARY t h a t WORD_BOUNDARY