Ключ

 

I. She has just gone. 2. She left. 3. We have not yet solved. 4. When did it all happen. 5. The weather has changed. 6. You have made. 7. A large black cloud has covered. 8. All my papers have fallen. 9. When did you open, I opened. I0. The sun has not risen. II. I saw. I2. I have not read. I3. Trams have stopped. I4. How many times have you been. I5. I have translated. I6. We went, the rain spoilt. I7. It has stopped. I8. The lecture has not yet begun.