Thì quá khứ đơn

`-` Động từ tobe

`(+)` S + was / were + N/ adj ...

`(-)` S + was / were (not ) + N/adj....

`(?)` Was / Were + S + adj /N ?

`**` was : i , he , she , it , danh từ số ít

`**` were : they , you , we , danh từ số nhiều

`-` động từ thường là dành cho tất cả chủ ngữ

`(+)` S + Ved/ V bất quy tắc

`(-)` S + didn't ( hay là did not ) + Vinf

`(?)` (Wh) Did + S +Vinf +O?

`1.` died

`-` DHNB: in 1995

`2.` went

`-` DHNB: yesterday

`3`. lived

`4.` sold

`-` DHNB: ago

`5.` did you see

`6.`Did she come

`-` DHNB: last  night

`7.` didn't meet

`-` DHNB: last Sunday

`8.` was

`-` DHNB: last night

`9.` studied

`-` DHNB: When i was at school

`10.`Did they sell

`-` DHNB: last year

`11.` wasn't

`-` DHNB: in 2000

`12.` didn't do

`-` DHNB: yesterday

Cấu trúc thì quá khứ đơn với động từ thường : 

` ( + ) ` : S + V-ed / V2

` ( - ) ` : S + didn't + V nguyên mẫu 

` ( ? ) ` : Did + S + V nguyên mẫu ? 

Cấu trúc thì quá khứ đơn với tobe : 

` ( + ) ` : S + was / were + ... 

` ( - ) ` : S + wasn't / weren't + ... 

`( ? ) ` : Was / Were + S + ... ? 

` + ` I / he / she / it / chủ ngữ số ít + was + ( not ) + ... 

` + ` You / we / they / chủ ngữ số nhiều + were + ( not ) + ... 

- Dấu hiệu thường gặp : yesterday , last night , last month , in the past , in ` 2000 ` , in ` 2009 ` , ... 

` 1 ` . died 

` 2 ` . went 

`3 `. lived 

` 4 `. sold 

` 5 ` . did you see 

` 6 ` . Did - come 

` 7 `. didn't meet 

` 8 ` . was 

` 9 ` . studied 

` 10 ` . Did - sell 

` 11 `. weren't 

` 12 ` . didn't do