ДАЮ 50 БАЛЛОВ!!!!! ПОМОГИТЕ!!!!!! ОЧЕНЬ СРОЧНО!!!!!

Ответ:

2. *had been digging*

3. *had argued* ( action which occured before another)

4. *had been swimming* ( past action of certain duration with visible result in the past)

5. *acted* ( past action not connected with the present whose time is not mentioned)

6. *made* (past action connected with the present whose time is not mentioned)

7. *has lost* ( recently completed action)

8. *hasn't had* ( personal experience change)

9. *has been cycling* ( past action of certain duration with visible result in the present)

10. *had been waiting* ( action continued over a period up to a specofic time in the past)

11. *had already cooked* ( action which occurred before another)

12. *had been reading*

13. *was cleaning* ( past action in progress interrupted by another)

14. *discovered* (past action at a stated time)

15. *was typing* *was talking* (simultaneous past actions)

Объяснение: