did he teach you
do he teach you
mod pro:sub v pro:per
did he teach you ?
d ɪ d WORD_BOUNDARY h iː WORD_BOUNDARY t iː t̠ʃ WORD_BOUNDARY j uː WORD_BOUNDARY
d i d WORD_BOUNDARY h e WORD_BOUNDARY t e a c h WORD_BOUNDARY y o u WORD_BOUNDARY