I don't think it is
I do think it be
pro:sub mod v pro:per cop
i don't think it is.
aɪ WORD_BOUNDARY d əʊ n tʰ WORD_BOUNDARY θ ɪ ŋ kʰ WORD_BOUNDARY ɪ tʰ WORD_BOUNDARY ɪ z WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY t h i n k WORD_BOUNDARY i t WORD_BOUNDARY i s . WORD_BOUNDARY