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 , ...

` 2 ` 

` ( - ) `  : Your friends didn't eat any hamburgers last night

` ( ? ) `  : Did you friends eat any hamburgets last night ?

` - `  Ta đổi some thành any vì 

` + ` Some dùng trong câu khẳng định , câu mời , lời đề nghị

` + ` Any dùng trong câu nghi vấn , phủ định

` 3 ` : 

` ( - ) ` : Alex and Chris weren't in Rio in Octorber

` ( ? ) ` ; Were Alex and Chris in Rio in Octorber ? 

` 4 ` : 

` ( - ) ` : Bettina didn't read a whole book yesterday 

` ( ? ) ` : Did Bettina read a whole book yesterday ?

` 5 ` ;

` ( - ) ` Clare didn't play tennis this weekend

` ( ? ) ` : Did Clare play tennis this weekend ?

` 6 ` 

` ( - ) ` David didn't wash his car on Saturday 

` ( ? ) ` : Did David wash his car on Saturday ?

` 7 ` 

` ( - ) ` Kate didn't finish her homework

` ( ? ) ` : Did Kate finish her homework ? 

` 8 `

` ( - ) ` Julia didn't clean entire house this morning 

` ( ? ) ` : Did Julia clean entire house this morning  ? 

` 9 `

` ( - ) ` All the students didn't answer the questions

` ( ? ) ` : Did all the students answer the questions ? 

` 10 `  Martia didn't wait for you

` ( ? ) `  : Did Martia wait for you ?