Измените последующие предложения по образчику. Образец: I am a good driver

1. I am a second-year student. I was a second-year student. I will be a second-year student.
2. I am 20 years old. I was 20 years old. I will be 20 years old.
3. I am from Omsk. I was from Omsk. I will be from Omsk.
4. I am at the seminar. I was at the seminar. I will be at the seminar.
5. I am late for the lecture. I was late for the lecture. I will be late for the lecture.
6. I am glad to meet Ann. I was glad to meet Ann. I will be glad to meet Ann.
7. I am hungry. I was hungry. I will be hungry.
8. I am interested in politics. I was interested in politics. I will be interested in politics.
9. I am an optimist. I was an optimist. I will be an optimist.
10. I am happy. I was happy. I will be happy.