`1.` `(-)` The girl doesn't often listen to pop music.

`(?)` Does the girl often listen to pop music?

- often : DH thì Hiện tại đơn.

`2.` `(-)` I am not from the capital of Vietnam, Ha Noi.

`(?)` Are you from the capital of Vietnam, Ha Noi.

*Chủ ngữ I : khi chuyển sang câu nghi vấn `->` you.

`3.` `(+)` My father keeps the greenhouse warm at night.

`(?)` Does your father keep the greenhouse warm at night?

`4.` `(+)` Danny remembers to phone his father on Sundays.

`(-)` Danny doesn't remember to phone his father on Sundays.

- on Sundays : DH thì Hiện tại đơn.

`----------`

`=>` Cấu trúc thì Hiện tại đơn (với Tobe):

`(+)` S + am/is/are + C.

`(-)` S + am/is/are + not + C.

`(?)` Am/Is/Are + S + C?

`=>` Cấu trúc thì Hiện tại đơn (với động từ thường):

`(+)` S + V0(s/es) + O.

`(-)` S + do/does + not + V(inf) + O.

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

`Parkchaeyoung`

`1,`

`(-)` The girl doesn't listen to pop music 

`(?)` Does the girl listen to pop music?

`2,` 

`(-)` I am not from the capital of Vietnam, Hanoi

`(?)` Are you from the capital of Vietnam, Hanoi?

`3,`

`(+)` My father keeps the greenhouse warm at night

`(?)` Does your father keep the greenhouse warm at night?

`4,`

`(+)` Danny remembers to phone his father on Sundays

`(-)` Danny doesn't remember to phone his father on Sundays

________________________________

`***` Dùng thì HTĐ để biến đổi các câu

`***` Công thức: 

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

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

`?)` Do/Does `+` (not) `+` S `+` V

`@` DHNB: often, usually, sometimes, .......