Поставьте следующие предложения в вопросительной и отрицательной форме.
1. There is a pen on the table. 2. There is white bread on the plate. 3. There are books on the shelf. 4. There were blue curtains on the window of his study. 5. There was a picture on the wall of their sitting-room. 6. There is a big shop in this street. 7. There are only important papers on my table. 8. There are four persons in my family: father, mother, sister and me. 9. There will be only close friends at his party. 10. There will be a huge building in this district.