I don't know whether it was
I do know whether it be
pro:sub mod v comp pro:per cop
i don't know whether it was.
aɪ WORD_BOUNDARY d əʊ n tʰ WORD_BOUNDARY n əʊ WORD_BOUNDARY w e ð ə ɹ WORD_BOUNDARY ɪ tʰ WORD_BOUNDARY w ɒ z WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY w h e t h e r WORD_BOUNDARY i t WORD_BOUNDARY w a s . WORD_BOUNDARY