he didn't drop it
he do drop it
pro:sub mod v pro:per
he didn't drop it .
h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY d ɹ ɑː p WORD_BOUNDARY ɪ t WORD_BOUNDARY
h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY d r o p WORD_BOUNDARY i t WORD_BOUNDARY