I had one once
I have one once
pro:sub v det:num adv
i had one once .
aɪ WORD_BOUNDARY h æ d WORD_BOUNDARY w ʌ n WORD_BOUNDARY w ʌ n s WORD_BOUNDARY
i WORD_BOUNDARY h a d WORD_BOUNDARY o n e WORD_BOUNDARY o n c e WORD_BOUNDARY