she couldn't believe it
she could believe it
pro:sub mod v pro:per
she couldn't believe it !
ʃ iː WORD_BOUNDARY k ʊ d ə n t WORD_BOUNDARY b ɪ l iː v WORD_BOUNDARY ɪ t WORD_BOUNDARY
s h e WORD_BOUNDARY c o u l d n ' t WORD_BOUNDARY b e l i e v e WORD_BOUNDARY i t WORD_BOUNDARY