I prefer you didn't
I prefer you do
pro:sub v pro:per mod
i prefer you didn't .
aɪ WORD_BOUNDARY p ɹ ɪ f ɜː WORD_BOUNDARY j uː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY
i WORD_BOUNDARY p r e f e r WORD_BOUNDARY y o u WORD_BOUNDARY d i d n ' t WORD_BOUNDARY