I was here yesterday
I be here yesterday
pro:sub cop adv adv:tem
i was here yesterday .
aɪ WORD_BOUNDARY w ʌ z WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY j ɛ s t ɚ d eɪ WORD_BOUNDARY
i WORD_BOUNDARY w a s WORD_BOUNDARY h e r e WORD_BOUNDARY y e s t e r d a y WORD_BOUNDARY