I know but she maybe didn't see
I know but she maybe do see
pro:sub v conj pro:sub adv mod v
i know but she maybe didn't see.
aɪ WORD_BOUNDARY n əʊ WORD_BOUNDARY b ʌ tʰ WORD_BOUNDARY ʃ iː WORD_BOUNDARY m eɪ b iː WORD_BOUNDARY d ɪ d n tʰ WORD_BOUNDARY s iː WORD_BOUNDARY
i WORD_BOUNDARY k n o w WORD_BOUNDARY b u t WORD_BOUNDARY s h e WORD_BOUNDARY m a y b e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY s e e . WORD_BOUNDARY