we didn't play with this before
we do play with this before
pro:sub mod v prep pro:dem adv
we didn't play with this before .
w iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY p l eɪ WORD_BOUNDARY w ɪ ð WORD_BOUNDARY ð ɪ s WORD_BOUNDARY b ɪ f oː ɹ WORD_BOUNDARY
w e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY p l a y WORD_BOUNDARY w i t h WORD_BOUNDARY t h i s WORD_BOUNDARY b e f o r e WORD_BOUNDARY