they're nice aren't they
they nice be they
pro:sub adj aux pro:sub
they're nice aren't they?
ð eɪ ə WORD_BOUNDARY n aɪ s WORD_BOUNDARY ɑː n tʰ WORD_BOUNDARY ð eɪ WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY n i c e WORD_BOUNDARY a r e n ' t WORD_BOUNDARY t h e y ? WORD_BOUNDARY