This is the 13th most frequent Dutch word.
nog
"Nog" means "still," "yet," or "again," depending on context.
Here, 'nog' emphasizes the negative statement, indicating that the action has not occurred up until the present moment.
Ik heb nog nooit zo'n mooie zonsondergang gezien.
I have never seen such a beautiful sunset yet.
Here, 'nog' means 'again' or 'one more time', suggesting repetition of the activity.
We kunnen nog een keer naar het museum gaan.
We can go to the museum one more time.
In this context, 'nog' is used to inquire about continuation, meaning 'still' or 'remaining'.