I heard a bang
I hear a bang
pro:sub v det:art n
i heard a bang.
aɪ WORD_BOUNDARY h ɜː d WORD_BOUNDARY ʌ WORD_BOUNDARY b æ ŋ WORD_BOUNDARY
i WORD_BOUNDARY h e a r d WORD_BOUNDARY a WORD_BOUNDARY b a n g . WORD_BOUNDARY