$#Vaan Haa$

`----------------------`

`1.` went / had finished

`2.` had already seen

`3.` went

`4.` hadn't eaten

`5.` had already begun

`6.` watched / had done

`7.`was / was

`8.` had gone / sat / rested

`9.` had gone / went

`10.`  won

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`@` Giaỉ thích: 

`@` QKHT:

`+)` S + had + V3 + O

`-`  S + had not (hadn’t) + V3 + O

`?` Had (not) + S + V3 + O?

`_` Yes, S had

`_` No, S had + not

`?` Wh-question: Wh + had + S + V3 + O?

`@` QKĐ:

`+` S + V2/ed +…

`-` S + did not + V (nguyên mẫu)

`?` Did + S + V (nguyên thể)?

`_` Yes, S did

`_`  No, S did not 

`->` did not = didn't

1 went - had finished

2 had already seen

3 went

4 hadn't eaten

5 had already begun

6 watched - had done

7 was - was

8 had gone - sat - rested

9 had gone - went

10 won

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`***` Quá khứ đơn

`-` Với tobe

`(+)` S + was/were

`(-)` S + was/were + not

`(?)` (Wh) + Was/Were + S?

`-` Với động từ thường

`(+)` S + V2/ed

`(-)` S + didn't + V

`(?)` (Wh) + Did + S + V?

`->` DHNB: yesterday, this morning, in the past, last + mốc thời gian, khoảng thời gian + ago, in + năm trong quá khứ,...  

`***` Quá khứ hoàn thành

`(+)` S + had + V3/ed

`(-)` S + hadn't + V3/ed

`(?)` (Wh) + Had + S + V3/ed?

`***` Kết hợp QKĐ và QKHT

`-` When QKĐ, QKHT

`-` After QKHT, QKĐ

`-` Before QKĐ, QKHT

`-` By the time QKĐ, QKHT

`->` Một hành động xảy ra trước hoặc sau hành động khác trong quá khứ.