I think I heard of that
I think I hear of that
pro:sub v pro:sub v prep pro:dem
i think i heard of that .
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY aɪ WORD_BOUNDARY h ɜː d WORD_BOUNDARY ʌ v WORD_BOUNDARY ð æ t WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY i WORD_BOUNDARY h e a r d WORD_BOUNDARY o f WORD_BOUNDARY t h a t WORD_BOUNDARY