I think we've seen it
I think we see it
pro:sub v pro:sub part pro:per
i think we've seen it .
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY w iː v WORD_BOUNDARY s iː n WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY w e ' v e WORD_BOUNDARY s e e n WORD_BOUNDARY i t WORD_BOUNDARY