Ответ:

1. The weather has been fine all week.

2. Peter  has been ill for a week.

3. She  has never been there.

4. He has done work.

5. I have not seen it, yet.

6. The rain has stopped.

7. She has lived in England for three years.

8. I have been there several times.

9. We have been friends since childhood.

10. I have just come back after a good rest.

11. The winter has come.

Объяснение: