was konntest du das
was können du das
pro mod pro:per pro
was konntest du das ?
v a s WORD_BOUNDARY k ɔ n t ɛ s t WORD_BOUNDARY d uː WORD_BOUNDARY d a s WORD_BOUNDARY
w a s WORD_BOUNDARY k o n n t e s t WORD_BOUNDARY d u WORD_BOUNDARY d a s WORD_BOUNDARY