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 + ... 
- Was not ` = ` Wasn't , Were not ` = ` Weren't 
` + ` I / he / she / it / chủ ngữ số ít + was ( not ) + ... 
` + ` You / we / they / chủ ngữ số nhiều + were ( not ) + ...

` - ` Dấu hiệu thì quá khứ đơn thường gặp : last night , yesterday , ` 4 ` hours ago , ` 2 ` days ago , ... 

` 1 ` . did you do 

` 2 ` . had 

` 3 ` . got 

`4 ` . had 

` 5 `. went 

`6 ` . did you walk 

` 7`. rode 

` 8 ` . helped 

`9 ` . did you do 

` 10 ` . took 

`2.` had   `3.` got   `4.` had   `5.` went   `6.` Did you talk   `7.` rode   `8.` helped   

`9.` did you do   `10.` took

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Cấu trúc thì quá khứ đơn:

`text{(+) S+V2/Ved+...}`

`text{(-) S+didn't+Vinf+...}`

`text{(?) Did+S+Vinf+...?}`