1. visited
last Sunday → QKĐ
2. made
yesterday → QKĐ
3. was going, met
Hành động đang xảy ra trong quá khứ → QKTD
Hành động chen vào → QKĐ
4. was washing, was sweeping
Hai hành động đang xảy ra cùng một lúc trong quá khứ → QKTD
5. planted
fifty years ago → QKĐ
6. was, kicked
When I was a child → QKĐ
7. was lying
At 12 o'clock yesterday → QKTD
8. woke, missed
yesterday → QKĐ
9. were watching, began
Hành động đang xảy ra trong quá khứ → QKTD
Hành động chen vào → QKĐ
10. worked
yesterday → QKĐ
11. went
last summer → QKĐ
12. was cleaning, found
Hành động đang xảy ra trong quá khứ → QKTD
Hành động chen vào → QKĐ
13. dropped, spilt
Hành động đã xảy ra → QKĐ
14. were working, lived
At this time last year → QKTD
QKĐ + before
15. studied, read
Hành động đã xảy ra → QKĐ
16. taught
last week → QKĐ
17. taught
in 1985 → QKĐ
18. always asked
when she was a child → QKĐ
19. watched
last year → QKĐ
20. was running, fell
Hành động đang xảy ra trong quá khứ → QKTD
Hành động chen vào → QKĐ
*Cấu trúc thì quá khứ tiếp diễn:
(+) S + was/ were + V_ing
(- ) S + was/ were + not + V_ing
(? ) Was/ Were + S + V_ing?
*Cấu trúc thì quá khứ đơn:
(+) S + V_ed/ V2
(- ) S + didn't+ V_inf
(? ) Did + S + V_inf?
