it's not in is it
it not in be it
pro:per neg adv aux pro:per
it's not in is it ?
ɪ t s WORD_BOUNDARY n ɑː t WORD_BOUNDARY ɪ n WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ t WORD_BOUNDARY
i t ' s WORD_BOUNDARY n o t WORD_BOUNDARY i n WORD_BOUNDARY i s WORD_BOUNDARY i t WORD_BOUNDARY