Đáp án + Lời giải chi tiết:

`↓↓↓`

***Ghi nhớ: Câu phủ định thì HTĐ: S + don't/doesn't + V -inf( nguyên mẫu)................

***Chú ý:  - Nếu S là số nhiều (we, I, they) thì dùng don't; số ít thì dùng doesn't (he, she , it, Tên riêng)

`11.` Mr. Quang doesn't teach me English.

`12.` The school doesn't have a large playground.

`13.` Duy doesn't play football for the school team.

`14.` They don't do judo every day.

`15.` She doesn't do judo three times a week.

`16.` We don't walk to school.

`17.` She doesn't study music at school.

`18.` Nick and Tom don't like playing computer games.

`19.` She doesn't usually washe the dishes after meals.

`20.` They boy doesn't go fishing at the weekend.

`21.` I don't like cooking.

`22.` She doesn't run fast.

`23.` He doesn't always study vocabulary.

`24.` The school doesn't have a swimming pool

`25.` She doesn't fly a kite.

`->` Cấu trúc thì Hiện tại đơn ở dạng phủ định:

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

`+` Chủ ngữ: I/ we/ you/ they/ N(số nhiều) `->` dùng trợ động từ "do"

`+` Chủ ngữ: It/ she/ he/ N(Số nhiều) `->` dùng trợ động từ "does"