I don't hafta say it
I do have say it
pro:sub mod mod v pro:per
i don't have to say it.
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY h æ v WORD_BOUNDARY t ə WORD_BOUNDARY s eɪ WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY h a v e WORD_BOUNDARY t o WORD_BOUNDARY s a y WORD_BOUNDARY i t . WORD_BOUNDARY