(Przykład) 1. A: Are you
                      B: am. I'm

2. A: Is Fred

    B: isn't. He is

3. A: The books aren't

        are they

    B: they're

4. A: Are you

    B: aren't. We are

5. A: Who is

    B: She is

    A: Is she

6. A: This isn't

    B: It's