Поставьте следующие предложения в отрицательную и вопросительную форму. 1. They have done something. 2. He has given them some money. 3. You have brought something for us. 4.1 have taken some English books from you. 5. She was reading something. 6. He has written a letter to somebody. 7. Somebody by the name of Petrov lives on the third floor. 8. They have some English books. 9. There are some tall trees in front of their house. 10. Peter has something in his box. 11. There are some parks in this town. 12. There are some good bookshops in our district.