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 + ... ?

- He / she / it / I / chủ ngữ số ít + was ( not ) + ...

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

Cấu trúc câu bị động thì quá khứ đơn ( áp dụng cho câu ` 3 ` ) 

` -> ` S + was / were + V3 + ( by O ) 

- Dấu hiệu thường gặp : last night , 3 days ago , yesterday , in the past , last month , ...

` 1 ` . got

` 2 ` . came

` 3 ` . was

` 4 ` . bought

` 5 ` . gave - was

` 6 ` . didn't do

` 7 ` . Did - live

` 8 ` . watched

` 9 ` . was

` 10 ` . weren't

Cấu trúc chủ yếu : Thì QKĐ :

`-` ĐT Tobe :

`+` CKĐ : S + was / were + adj / n

`+` CPĐ : S + wasn't / weren't + adj / n

`+` CNV : Was / Were + S + adj / n ?

`-` ĐT Thường

`+` CKĐ : S + Ved / V2

`+` CPĐ : S + didn't + V

`+` CNV : Did + S + V ?

`=>` `DHNB` : ago , yesterday , last , ...

`1`.got

`2`.came

`3`.was

`4`.bought

`5`.gave

`6`.didn't do

`7`.Did ... live ?

`8`.watched

`9`.Was 

`10`.weren't

`\text{@ TheFox}`