Поставить предложения в вопросительную и отрицательную форму:
1. не had tried a lot of professions.
2. i read the book last year.
3. we shall have 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.
8. yesterday i wrote two letters.
9. we started at eight in the morning.
10. he always forgets my name.