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 + ...

` - ` Chủ ngữ là I / he / she / it + was + ...

` - ` Chủ ngữ là you / we / they + were + ....

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

` - ` Chủ ngữ là I / he / she / it + was + not + ...

` - ` Chủ ngữ là you / we / they + were + not +  ....

` ( ? ) `  : Were / Was + S + .... ?

`- `  Was + He / she / it + ... ?

` - `  Were + you / we / they + ... ? 

` + `  Các dấu hiệu nhận biết thường gặp :
` + ` 2 years ago , in the past , last year , last night , ...

` 1 ` : We opened the door

` 2 ` : You wrote poems

` 3 ` : Richard played in the garden

` 4 ` : Kerry didn't / did not speak English

` 5 ` : Did you see the bird ?