we saw penguins didn't we
we saw penguins didn't we ?
w iː WORD_BOUNDARY s ɔː WORD_BOUNDARY p ɛ ŋ ɡ w ɪ n z WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY w iː WORD_BOUNDARY
w e WORD_BOUNDARY s a w WORD_BOUNDARY p e n g u i n s WORD_BOUNDARY d i d n ' t WORD_BOUNDARY w e WORD_BOUNDARY