` HTĐ ` 

` ( + ) `  : S + Vs/es

` - ` : I / you we/ they+ V nguyên mẫu

` - `  : He / she /it + Vs/es

` ( - ) `  : S + don't /doesn't + V nguyên mẫu

` - `  : I / you w/we / they + don't + V nguyên mẫu

` - `  : He / she / it + doesn't + V nguyên mẫu

` ( ? ) `  : Do /does + S + V nguyên mẫu ?

` - `  : Do + you / we / they + V nguyên mẫu

` - `  : Does + He / she / it + V ngueyen mẫu

` 2 `  : They aren't eleven

` 2 `  : Are they evleven 

` 3 `  : She doesn't write a letter

` 3 `  : Does she write a letter ?

` 4 `  I don't speak Italian

` 4 `  : DO you speak Italian ?

` 5 `  : Daisy doesn't phone his father on mondays

` 6 `  : Does Daisy phone his father on mondays?

`2.` They are eleven

`→` They aren't eleven

`→` Are they eleven`

`3,`She writes a letter

`→` She doesn't write a letter

`→` Does she write a letter ?

`4,` I speak Italian

`→` I don't speak Italian

`→` Do you speak Italian

`5,` Danny phones his father on Sundays

`→` Danny doesn't phones his father on Sundays

`→` Does Danny phone his father on Sundays ?

Cấu trúc thì hiện tại đơn với:

_ Động từ tobe

`+)` S + am/is/are + O

`-)` S + am/is/are + not + O

`?) Am/is/are + S + O ?

_Động từ thường

`+)` S + V + O

`-)` S + don't / doesn't + V + O

`?)` Do/Does + S + V + O ?