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 : Yesterday , last month , last night , in ` 2000 ` , in ` 2009 ` , ` 2 ` hours ago , ... 

` 16 ` . Mum and Dad flew to India last week 

` ( - ) ` : Mum and Dad didn't fly to India last week 

` ( ? ) ` : Did Mum and Dad fly to India last week ? 

` 17 ` . You and Tom were late for the tour this morning 

` ( - ) ` : You and Tom weren't late for the tour this morning 

` ( ? ) ` : Were you and Tom late for the tour this morning ? 

` 18 ` . You made hot dogs for dinner last night 

` ( - ) ` : You didn't make hot dogs for dinner last night 

` ( ? ) ` : Did you make hot dogs for dinner last night ? 

` 19 ` . Hans and Peter went to visit Times Square at five o'clock 

` ( - ) ` : Hans and Peter didn't go to visit Times Square at five o'clock 

` ( ? ) ` : Did Hans and Peter go to visit Times Square at five o'clock 

` 20 ` . Betty was in the capital city of the USA this summer 

` ( - ) ` : Betty wasn't in the capital city of the USA this summer 

` ( ? ) ` : Was Betty in the capital city of the USA this summer  ?