I think she did
I think she do
pro:sub v pro:sub v
i think she did .
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY ʃ iː WORD_BOUNDARY d ɪ d WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY s h e WORD_BOUNDARY d i d WORD_BOUNDARY