Exercise 220 пожалуйста

1. I washed. 2. I was washing. 3. She finished. 4. We were having. 5. We were working. 6. Mother was cooking. 7. Did they go. 8. They were sailing, they saw. 9. They translated. 10. I opened. 11. Did you go. 12. I did not see. 13. I opened, my friends were sitting. 14. When did you begin. 15. We were discussing. 16. I was reading, I found. 17. Did you watch, we were watching. 18. When did you go. 19. I went. 20. I was sleeping. 21. I came, my little brother was sitting, he was playing, I told, he was making.