I'm being a cat
I be a cat
pro:sub n:gerund det:art n
i'm being a cat.
aɪ m WORD_BOUNDARY b iː ɪ ŋ WORD_BOUNDARY ʌ WORD_BOUNDARY k æ t WORD_BOUNDARY
i ' m WORD_BOUNDARY b e i n g WORD_BOUNDARY a WORD_BOUNDARY c a t . WORD_BOUNDARY