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