1. This is Minnie Rivers.

    That is Mr. Lewis.

2. Minnie is a writer.

    Mr. Lewis is a barber.

    Gail is an artist.

    He is a photographer.

    She is a secretary.

    He's a dentist.

    She's a doctor.

3. I am a computer programmer.

    I'm a businessman.

    I'm a businesswoman.

I'm not a mechanic.

4. We are writers.

    They are engineers.

    You are a student.

    You are students.

5. This is an apple.

    This is a banana.

    That is an orange.

    That is not a tomato.

    It is a telephone.

    It's a horse.

    It's not an airplane.