I know you have participated in Socratic Seminars in a variety of ways in your English classes. I go about it differently than you have experienced it in the past, I think. At the college level, I view the Socratic Seminar as an intellectual discussion/study group; students interacting with both the text and each other with the goal of preparing themselves for a culminating written assessment the following day.
As such, I do not grade by a rubric or check-off list for how many times you contribute. I do not have a list of questions for you to address. I do not have one question leader. I give a participation grade for the seminar. If you are engaged- both physically and intellectually,