Tất cả là thì quá khứ đơn nên be (not) --> was/were (not)

Số ít (I/He/She/It/Someone) + was

Số nhiều(You/We/They,....) + were

1. was

yesterday: thì quá khứ đơn

be --> was

2. was

two years ago: thì quá khứ đơn

be --> was

3. were

last month: thì quá khứ đơn

be --> were

4. were

Lan và Ba là hai người là số nhiều nên dùng were

yesterday: thì quá khứ đơn

5. was not

last month: thì quá khứ đơn

be not --> was not

6. was not

last week: thì quá khứ đơn

be not --> was not

7. were

born on 1 June 1926: thì quá khứ đơn

be --> were

8. was

S + was/were + born + in + country

9. was not ; was

yesterday afternoon: thì quá khứ đơn

be not --> was not; be --> was

10. were not

two days ago: thì quá khứ đơn

be not --> were not

`1` was - dấu hiệu : yesterday

`2` was - dấu hiệu : two years ago 

`3` were - dấu hiệu : last month 

`4` were - dấu hiệu : yesterday 

`5` wasn't - dấu hiệu : last month 

`6` wasn't - dấu hiệu : last week 

`7` were - dấu hiệu : on 1 June 1926

`8` was 

`9` wasn't/was - dấu hiệu : yesterday afternoon

`10` weren't - dấu hiệu : two days ago

`->` thì Quá Khứ Đơn 

`@` Động từ tobe : I/he/she/it + was , we/you/they + were

`+)` S + was/were + ... 

`-)` S + was/were + not + ... 

`?)` Was/were + S + ... ? 

`@` Động từ thường : 

`+)` S + Ved/V2 + O 

`-)` S + didn't + V-inf + O 

`?)` Did + S + V-inf + O 

`@` Uses : 

`-` Diễn tả 1 sự việc đã xảy ra và đã kết thúc trong quá khứ

`-` Diễn tả 1 thói quen trong quá khứ

`-` Diễn tả 1 chuỗi hành động xảy ra liên tiếp trong quá khứ