he didn't knock it down it fell down
he do knock it down it fall down
pro:sub mod v pro:per adv pro:per v adv
he didn't knock it down it fell down .
h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY n ɑː k WORD_BOUNDARY ɪ t WORD_BOUNDARY d aʊ n WORD_BOUNDARY ɪ t WORD_BOUNDARY f ɛ l WORD_BOUNDARY d aʊ n WORD_BOUNDARY
h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY k n o c k WORD_BOUNDARY i t WORD_BOUNDARY d o w n WORD_BOUNDARY i t WORD_BOUNDARY f e l l WORD_BOUNDARY d o w n WORD_BOUNDARY