I went to gym
I go to gym
pro:sub v prep n
i went to gym .
aɪ WORD_BOUNDARY w ɛ n t WORD_BOUNDARY t ə WORD_BOUNDARY d̠ʒ ɪ m WORD_BOUNDARY
i WORD_BOUNDARY w e n t WORD_BOUNDARY t o WORD_BOUNDARY g y m WORD_BOUNDARY