I've never heard of it before
I never hear of it before
pro:sub adv part prep pro:per adv
i've never heard of it before .
aɪ v WORD_BOUNDARY n ɛ v ɚ WORD_BOUNDARY h ɜː d WORD_BOUNDARY ʌ v WORD_BOUNDARY ɪ t WORD_BOUNDARY b ɪ f oː ɹ WORD_BOUNDARY
i ' v e WORD_BOUNDARY n e v e r WORD_BOUNDARY h e a r d WORD_BOUNDARY o f WORD_BOUNDARY i t WORD_BOUNDARY b e f o r e WORD_BOUNDARY