1) Have you already had your dinner? Yes, I have. I have already had dinner.
2) How many classes, seminars and lectures have you had today? I have had six classes today. I haven't had any lectures or seminars.
3) What interesting TV programs have you seen this week? I haven't seen any interesting programs this week.
4) To what museums, cinemas, theatres or concert halls have you been this month? I have been to several art galleries this month.
5) Who has passed the exams with excellent marks in your group? Nobody has passed the exams with excellent marks in my group.
6) Where have you just come back from? I've just come back from the college.
7) You have been late for the first lecture, haven’t you? Yes, I have. I have been late for the first lecture.