1. asked ( S + V2/ed + O)

2. cooked

3. talked

4. wanted

5. shouted

6. visited

7. listened

8. called

9. played

10. looked

11. had ( have-had-had)

12. laughed

13. cleaned

14. climbed

15. worked

16. opened

17. did-giữa when và she/write/wrote ( write-wrote-written)

18. didn't drink/drank ( khi có trợ động từ do/does - V giữ nguyên; drink-drank-drunk)

19. didn't be/was ( was dùng với CN he,she,it)

20. did-giữa where và you/meet/met ( meet-met-met)

$1$. asked

$2$. cooked

$3$. talked

$4$. wanted

$5$. shouted

$6$. visited

$7$. listened

$8$. called

$9$. played

$10$. looked

$11$. had

$12$. laughed

$13$. cleaned

$14$. climbed

$15$. worked

$16$. opened

$17$. did

$18$. didn't drink - drank

$19$. didn't be - was

$20$. did

*Đề bài yêu cầu điền QKD

$-$ Công thức thì QKD:

$+)$ S + Ved/2

$-)$ S + didn't + V-inf

$?)$ Dis + S + V-inf ?