〜上に ue ni
〜上に（ue ni）means “on top of that; moreover; in addition to”. Adds a second item in the same direction to the first: 「A 上に B」 means "not only A, but also B" where both are positive or both negative. Formation: V-普通形 + 上に ／ Aい + 上に ／ Aな-な・である + 上に ／ Nの・である + 上に
on top of that; moreover; in addition to
N3Formation
V-普通形 + 上に ／ Aい + 上に ／ Aな-な・である + 上に ／ Nの・である + 上に
Explanation
Adds a second item in the same direction to the first: 「A 上に B」 means "not only A, but also B" where both are positive or both negative. Verbs and い-adjectives use plain form; な-adjectives take な or である; nouns take の or である.
Examples
Note
Both clauses must share the same polarity—don't mix a good point with a bad one (use 〜のに/〜が for contrast instead).
FAQ
〜上に — what does it mean and how is it used?
on top of that; moreover; in addition to. Adds a second item in the same direction to the first: 「A 上に B」 means "not only A, but also B" where both are positive or both negative. Verbs and い-adjectives use plain form; な-adjectives take な or である; nouns take の or である.
〜上に — how do you form it?
V-普通形 + 上に ／ Aい + 上に ／ Aな-な・である + 上に ／ Nの・である + 上に
〜上に — any usage notes?
Both clauses must share the same polarity—don't mix a good point with a bad one (use 〜のに/〜が for contrast instead).