2 had checked

3 left

4 didn't say

5 was walking

6 was getting

7 could hear

8 hit

9 was reading

10 knew

11 saw

12 ran

13 have never experienced

Ответ:

2) checked

3) left

4) didn't say

5) walked

6) got

7) could hear

8) hit

9) read

10) knew

11) saw

12) ran

13) never experienced