I thought I did
I think I do
pro:sub v pro:sub v
i thought i did .
aɪ WORD_BOUNDARY θ ɔː t WORD_BOUNDARY aɪ WORD_BOUNDARY d ɪ d WORD_BOUNDARY
i WORD_BOUNDARY t h o u g h t WORD_BOUNDARY i WORD_BOUNDARY d i d WORD_BOUNDARY