I didn't see him
I do see him
pro:sub mod v pro:obj
i didn't see him .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY s iː WORD_BOUNDARY h ɪ m WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY s e e WORD_BOUNDARY h i m WORD_BOUNDARY