〜なる naru
〜なる（naru）means “to become”. Expresses a change of state ('become ~'). Formation: Aい→A-く＋なる／Aな→Aに＋なる／N＋に＋なる
to become
N5Formation
Aい→A-く＋なる／Aな→Aに＋なる／N＋に＋なる
Explanation
Expresses a change of state ('become ~'). With い-adjectives, drop い and add くなる; with な-adjectives and nouns, add になる. The subject changes by itself, often naturally over time.
Examples
はるになって、あたたかくなりました。
はるになって、あたたかくなりました。
Spring came and it became warm.
むすめはらいねん、いしゃになります。
むすめはらいねん、いしゃになります。
My daughter will become a doctor next year.
Note
Compare with 〜にする (to make/turn something into ~), which expresses a deliberate change made by someone.
FAQ
〜なる — what does it mean and how is it used?
to become. Expresses a change of state ('become ~'). With い-adjectives, drop い and add くなる; with な-adjectives and nouns, add になる. The subject changes by itself, often naturally over time.
〜なる — how do you form it?
Aい→A-く＋なる／Aな→Aに＋なる／N＋に＋なる
〜なる — any usage notes?
Compare with 〜にする (to make/turn something into ~), which expresses a deliberate change made by someone.