I read it before
I read it before
pro:sub v pro:per adv
i read it before .
aɪ WORD_BOUNDARY ɹ iː d WORD_BOUNDARY ɪ t WORD_BOUNDARY b ɪ f oː ɹ WORD_BOUNDARY
i WORD_BOUNDARY r e a d WORD_BOUNDARY i t WORD_BOUNDARY b e f o r e WORD_BOUNDARY