I haven't seen it yet
I have see it yet
pro:sub aux part pro:per adv
i haven't seen it yet .
aɪ WORD_BOUNDARY h æ v ə n t WORD_BOUNDARY s iː n WORD_BOUNDARY ɪ t WORD_BOUNDARY j ɛ t WORD_BOUNDARY
i WORD_BOUNDARY h a v e n ' t WORD_BOUNDARY s e e n WORD_BOUNDARY i t WORD_BOUNDARY y e t WORD_BOUNDARY