I didn't hear Mark say that
I do hear Mark say that
pro:sub mod v n:prop v comp
i didn't hear mark say that .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY m ɑː ɹ k WORD_BOUNDARY s eɪ WORD_BOUNDARY ð æ t WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY h e a r WORD_BOUNDARY m a r k WORD_BOUNDARY s a y WORD_BOUNDARY t h a t WORD_BOUNDARY