I think he did too
I think he do too
pro:sub v pro:sub v adv
i think he did too.
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY h iː WORD_BOUNDARY d ɪ d WORD_BOUNDARY t uː WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY h e WORD_BOUNDARY d i d WORD_BOUNDARY t o o . WORD_BOUNDARY