Поставьте предложение в вопросительну и отрицательную форму: 1. He had tried a lot of professions. 2. I read the book last year. 3. We will rebuilt the house completely. 4. The master has just signed these papers. 5. She is waiting for you in the hall. 6. My daughter has a very good time with her friends. 7. There are some motormen in the engine-room.

Ответ:

не знаю.....................