it's raining outside
it rain outside
pro:per part adv
it's raining outside.
ɪ t s WORD_BOUNDARY ɹ eɪ n ɪ ŋ WORD_BOUNDARY aʊ t s aɪ d WORD_BOUNDARY
i t ' s WORD_BOUNDARY r a i n i n g WORD_BOUNDARY o u t s i d e . WORD_BOUNDARY