they're pretty aren't they
they pretty be they
pro:sub adv aux pro:sub
they're pretty aren't they ?
ð eɪ ə ɹ WORD_BOUNDARY p ɹ ɪ t i WORD_BOUNDARY ɑ ɹ n t WORD_BOUNDARY ð eɪ WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY p r e t t y WORD_BOUNDARY a r e n ' t WORD_BOUNDARY t h e y WORD_BOUNDARY