I'm sorry but I didn't hear that
I sorry but I do hear that
pro:sub adj conj pro:sub mod v pro:dem
i'm sorry but i didn't hear that .
aɪ m WORD_BOUNDARY s ɑː ɹ i WORD_BOUNDARY b ʌ t WORD_BOUNDARY aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY ð æ t WORD_BOUNDARY
i ' m WORD_BOUNDARY s o r r y WORD_BOUNDARY b u t WORD_BOUNDARY i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY h e a r WORD_BOUNDARY t h a t WORD_BOUNDARY