`**` Thì hiện tại đơn:

`-` does / doesn't : he, she, it , danh từ số ít

`-` don't / do : i , we, they , you , danh từ số nhiều

`(-)` S +  doesn't +Vinf

`(-)` S + don't  + Vinf

`(?)` Does+ S + Vinf +O ?

`(?)` Do + S +  Vinf +O?

1.

`(-)` Lan doesn't eat a big breakfast.

`(?)` Does Lan eat a big breakfast ?

`-` Chủ ngữ số ít : Lan

2.

`(-)` Hoa doesn't go to school at half past six.

`(?)`Does Hoa go to school at half past six ?

`-` Chủ ngữ số ít: Hoa

3.

`(-)` Ba doesn't have lunch at half past seven.

`(?)` Does Ba have lunch at half past seven ?

`-` Chủ ngữ số ít: Ba

4.

`(-)` My brother doesn't play volleyball in the aftennon.

`(?)` Does my brother doesn't play volleyball in the aftennon ?

`-` Chủ ngữ số ít: My brother

5.

`(-)` I don't have classes from seven to a quarter  past seven .

`(?)` Does you have classes from seven to a quarter  past seven ?

`-` Chủ ngữ số nhiều: I

`1.`

`(-)` Lan doesn't eat a big breakfast.

`(?)` Does Lan eat a big breakfast?

`2.` 

`(-)` Hoa doesn't go to school at half-past six.

`(?)` Does Hoa go to school at half-past six?

`3.`

`(-)` Ba doesn't have lunch at half-past seven.

`(?)` Does Ba have lunch at half past seven?

`4.`

`(-)` My brother doesn't play volleyball in the afternoon.

`(?)` Does your brother play volleyball in the afternoon?

`5.`

`(-)` I don't have classes from seven to a quarter past seven.

`(?)` Do you have classes from seven to a quarter past seven?

`-` Cấu trúc thì HTĐ

`(+)` S + V(s/es) + O

`(-)` S + do/ does + not + Vinf

`(?)` Do/ does + S + Vinf..?