didn't we have fun
do we have fun
mod pro:sub v n
didn't we have fun ?
d ɪ d n t WORD_BOUNDARY w iː WORD_BOUNDARY h æ v WORD_BOUNDARY f ʌ n WORD_BOUNDARY
d i d n ' t WORD_BOUNDARY w e WORD_BOUNDARY h a v e WORD_BOUNDARY f u n WORD_BOUNDARY