he didn't hide see
he do hide see
pro:sub mod v v
he didn't hide see ?
h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY h aɪ d WORD_BOUNDARY s iː WORD_BOUNDARY
h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY h i d e WORD_BOUNDARY s e e WORD_BOUNDARY