2)If I (to do) this test, I (to improve) my English.3)If I (to find) your ring, I (to give) it back to you.

If I do this test, I will improve my English

If I find your ring, I will give it back to you

Объяснение:

i played computer games yesterday

1. was

2. was thinking

3. called

4. did i tell

5. happened

6. were shopping

7. were looking

8. came

9. showed

10. she was opening

11. had

12. was

13. didn't expect