Ex. 13. Поставьте глагол to be в Present Simple. 1. I ... a pupil. 2. My father ... not a teacher, he ... a scientist.

1. I am a pupil.

2. My father is not a teacher, he is a scientist.

3. My mother is not at home, he is in the office.

4. My brother is a good engineer.

5. He is a doctor, and my sister is a nurse.

6. We are not late for the party, we are in time.

7. They are beautiful and clever girls.