I didn't see it
I do see it
pro:sub mod v pro:per
i didn't see it .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY s iː WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY s e e WORD_BOUNDARY i t WORD_BOUNDARY