I wasn't sure whether
I be sure whether
pro:sub cop adj conj
i wasn't sure whether .
aɪ WORD_BOUNDARY w ʌ z n̩ t WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY w ɛ ð ɚ WORD_BOUNDARY
i WORD_BOUNDARY w a s n ' t WORD_BOUNDARY s u r e WORD_BOUNDARY w h e t h e r WORD_BOUNDARY