I didn't buy the cheese
I do buy the cheese
pro:sub mod v det:art n
i didn't buy the cheese .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY b aɪ WORD_BOUNDARY ð ə WORD_BOUNDARY t̠ʃ iː z WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY b u y WORD_BOUNDARY t h e WORD_BOUNDARY c h e e s e WORD_BOUNDARY