giúp ppppppppppppppppppp

Công thức thì quá khứ đơn (V: to be)

(+) S + was/were

(-) S + was/were + not 

(?) Was/Were + S ... ? 

Yes, S + was/were 

No, S + was/were + not 

I, he, she, it + was

You, we, they + were

-----------------------------------

1. was

2. was

3. were

4. was

5. were

6. were

7. weren't

8. weren't

9. weren't

10. wasn't

11. wasn't

12. wasn't

13. Was / wasn't / was

14. Were / were

15. Was / wasn't / was

16. Was / wasn't / was / was 

17. were

18. were

19. was

20. were 

#STMIN