you don't need them
you do need them
pro:per mod v pro:obj
you don't need them .
j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n iː d WORD_BOUNDARY ð ɛ m WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY n e e d WORD_BOUNDARY t h e m WORD_BOUNDARY