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 Vietnam, Ha Noi.
(-) I am not from the capital of Vietnam, Ha Noi.
(?) Are you 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?
5. (+) They do their homework after school.
(-) They don't do their homework after school.
(?) Do they do their homework after school?