answers page 219

6. present
7. present perfect
8. present
9. past tense
10. present tense
11. present tense
12. past tense
13. present tense
14. past tense
15. cl 1 : simple present
cl 2 : future tense
16. cl 1 : past tense
cl 2 : simple past
17. present tense
18. present tense
19. past tense
20. present tense
21. present tense
22. past tense
23. present tense
24. past tense
25. present tense