She is a teacher. ⇒  a teacher. ⇒  a teacher?; They're in Berlin. ⇒  in Berlin. ⇒  in Berlin?; It's a nice day. ⇒  a nice day. ⇒  a nice day?

EXAMPLE: They are friends ⇒ They aren’t friends. ⇒ Are they friends?
1. She is a teacher. ⇒  a teacher. ⇒  a teacher?
2. They're in Berlin. ⇒  in Berlin. ⇒  in Berlin?
3. It's a nice day. ⇒  a nice day. ⇒  a nice day?
4. I am very excited. ⇒  very excited. ⇒  very excited?
5. We are students. ⇒  students. ⇒  students?
6. You are right. ⇒  right. ⇒  right?
7. It's 6 o'clock. ⇒  6 o'clock. ⇒  6 o'clock?
8. The table is blue. ⇒  blue. ⇒  blue?
9. He is the new manager. ⇒  the new manager. ⇒  the new manager?
10. They are sorry. ⇒  sorry. ⇒  sorry?