1.

(+) The girl often listens to music.

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

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

2.

(+) I am from the capital of Vietnam, Ha noi.

(-) I am not from the capital of Vietnam, Ha noi.

(?) Are you come from the capital of Vietnam, Ha noi?

3.

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

(-) My father doesn't keep the greenhouse warm at night.

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

4.

(+) Danny remembers to phone his father on Sunday.

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

(?) Does Danny remember to phone his father on Sunday?

1,The girl often listens to pop music 

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

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

2,I am from the capital of Viet Nam ,Ha Noi 

(-) I am not from the capital of Viet Nam ,Ha Noi 

(?)Are you from the capital of Viet Nam ,Ha Noi ?

3,My father doesn't keep the greenhouse warm at night 

(+) My father keeps the greenhouse warm at night 
(?)Does my father keep the greenhouse at night? 

4,Does Danny remember to phone his father on Sundays? 

(+)Danny remembers to phone his father on Sundays 

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