I'm busy that's why
I busy that why
pro:sub adj pro:rel pro:rel
i'm busy that's why .
aɪ m WORD_BOUNDARY b ɪ z i WORD_BOUNDARY ð æ t s WORD_BOUNDARY w aɪ WORD_BOUNDARY
i ' m WORD_BOUNDARY b u s y WORD_BOUNDARY t h a t ' s WORD_BOUNDARY w h y WORD_BOUNDARY