I knew that first
I know that first
pro:sub v adv adv
i knew that first .
aɪ WORD_BOUNDARY n uː WORD_BOUNDARY ð æ t WORD_BOUNDARY f ɜː s t WORD_BOUNDARY
i WORD_BOUNDARY k n e w WORD_BOUNDARY t h a t WORD_BOUNDARY f i r s t WORD_BOUNDARY