1. I wish you had left earlier yesterday.
2. We wish they had come with us last weekend.
3. They wish they could come with them the next day.
4. They wish we had given them some food yesterday.
5. We wish you had arrived yesterday.
6. I wish I had not lost the answers.

7. had left                   

8. had come

9. would come                       

10. had given             

11. had arrived           

12. had  not lost