Grammar Review: [Noun] + です
Structure: Present: ~です, ~じゃないです
Past: ~でした , ~じゃなかったです
Usage: です is the polite form of the copula (a linking verb like "is/am/are") in Japanese.
Example:
[東京|とうきょう] は [大|おお]きい [都市|とし] {です}。
Tokyo is a big city.
Practice this grammar point with targeted questions and exercises
