we've read this book before haven't we
we read this book before have we
pro:sub v det:dem n prep aux pro:sub
we've read this book before haven't we ?
w iː v WORD_BOUNDARY ɹ ɛ d WORD_BOUNDARY ð ɪ s WORD_BOUNDARY b ʊ k WORD_BOUNDARY b ɪ f oː ɹ WORD_BOUNDARY h æ v ə n t WORD_BOUNDARY w iː WORD_BOUNDARY
w e ' v e WORD_BOUNDARY r e a d WORD_BOUNDARY t h i s WORD_BOUNDARY b o o k WORD_BOUNDARY b e f o r e WORD_BOUNDARY h a v e n ' t WORD_BOUNDARY w e WORD_BOUNDARY