I don't think that's necessary
I do think that necessary
pro:sub mod v pro:dem adj
i don't think that's necessary .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY ð æ t s WORD_BOUNDARY n ɛ s ɪ s ɚ ɹ i WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY t h i n k WORD_BOUNDARY t h a t ' s WORD_BOUNDARY n e c e s s a r y WORD_BOUNDARY