1.He is a driver.
2.We are pupils.
3.They were in the theater.
4.He was a worker, now he is an engineer.
5.My parents are at home.
6.My brother wasn't at school yesterday.
7.His mother is young. She is a student.
8.My grandma is a teacher, she isn't at work now, she is at home.
9.My uncle was a pilot.
10.Were you at the theater yesterday? No, I wasn't.