I don't think so
I do think so
pro:sub mod v co
i don't think so.
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY s oʊ WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY t h i n k WORD_BOUNDARY s WORD_BOUNDARY