أَقَمْتُ هُنَا سَنَةً
Translation: I stayed here for a year.
أَقَمْتُ: past verb with subject “tu”.
هُنَا: indeclinable locative adverbial, accusative position.
سَنَةً: bounded-time adverbial, accusative.
An added example showing both temporal and locative relations; hunā is indeclinable.