. Поставьте следующие предложения в вопросительную и отрицательную форму.
2. Their office hours begin at 9 o’clock. 3.
Mr.Bell is busy all day. 4. There are some cables on the table. 5. She can translate some letters from English into Russian. 6. He has some offers from Bell&Co. 7. Mr. Smith had bought several machines from Green&Co by June 2005. 8. They were reading French newspapers yesterday at 5 o’clock. 9. The engineers met some inspectors a week ago. 10. We have already received fives enquiries from Blake&Co. 11. They have a lot of offices in London.