I never heard of it
I never hear of it
pro:sub adv v prep pro:per
i never heard of it .
aɪ WORD_BOUNDARY n ɛ v ɚ WORD_BOUNDARY h ɜː d WORD_BOUNDARY ʌ v WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY n e v e r WORD_BOUNDARY h e a r d WORD_BOUNDARY o f WORD_BOUNDARY i t WORD_BOUNDARY