Сделайте Упражнение 2. Образуйте отрицательные предложения с am, is, are

1. I am an engineer

2. She is a doctor

3. It is true

4. This is my hand

5. I am sad

6. He is from Moscow

7. I am busy

8. He is young

9. Marina is very beautiful

10. Summer is hot

11. The house is very expensive

12. You are tired​