As far as I understand, "auditionée" is in passé composé. My question is: isn't the auxilliary verb (a) missing? Or is the auxilliary verb only used when passé composé is used as present perfect rather than past simple? Or is it implied (omitted), and if so, is it common?
Thank you in advance.
(I second what somebody said a couple of days ago: why no 'verb tenses' or 'verb conjugation' tag?)