you couldn't do it by yourself
you could do it by yourself
pro:per mod v pro:per prep pro:refl
you couldn't do it by yourself .
j uː WORD_BOUNDARY k ʊ d ə n t WORD_BOUNDARY d uː WORD_BOUNDARY ɪ t WORD_BOUNDARY b aɪ WORD_BOUNDARY j oː ɹ s ɛ l f WORD_BOUNDARY
y o u WORD_BOUNDARY c o u l d n ' t WORD_BOUNDARY d o WORD_BOUNDARY i t WORD_BOUNDARY b y WORD_BOUNDARY y o u r s e l f WORD_BOUNDARY