you don't believe it
you do believe it
pro:per mod v pro:per
you don't believe it ?
j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY b ɪ l iː v WORD_BOUNDARY ɪ t WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY b e l i e v e WORD_BOUNDARY i t WORD_BOUNDARY