they didn't know anything
they do know anything
pro:sub mod v pro:indef
they didn't know anything .
ð eɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY n oʊ WORD_BOUNDARY ɛ n ɪ θ ɪ ŋ WORD_BOUNDARY
t h e y WORD_BOUNDARY d i d n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY a n y t h i n g WORD_BOUNDARY