I didn't know you had a sister
I do know you have a sister
pro:sub mod v pro:per v det:art n
i didn't know you had a sister .
aɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY n oʊ WORD_BOUNDARY j uː WORD_BOUNDARY h æ d WORD_BOUNDARY ɐ WORD_BOUNDARY s ɪ s t ɚ WORD_BOUNDARY
i WORD_BOUNDARY d i d n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY y o u WORD_BOUNDARY h a d WORD_BOUNDARY a WORD_BOUNDARY s i s t e r WORD_BOUNDARY