I I've never done it
I never do it
pro:sub adv part pro:per
i i've never done it .
aɪ WORD_BOUNDARY aɪ v WORD_BOUNDARY n ɛ v ɚ WORD_BOUNDARY d ʌ n WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY i ' v e WORD_BOUNDARY n e v e r WORD_BOUNDARY d o n e WORD_BOUNDARY i t WORD_BOUNDARY