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Languages Study | Languages of the East | Japanese III

ÀÓÄÈÎ 394 | GRAMMAR I - 10.04 : Adjective + naru
   
Grammar I - 10.04 Grammar L3 - 005 Menu - Grammar
Adjective + なる Adjective + naru
 

The verb なる - naru means "to become."
It indicates a change, and can follow nouns and both types of adjectives.

   
  i -adjectives
With いadjectives the final い is dropped and く is added.
あたたかい　→　あたたくなる

to become warm/warmer

atatakai - atataku naru

  
  na-adjectives
しずか（な）　→　しずかになる to become quiet/quieter
shizukana - shizuka ni naru  
  nouns:
かいしゃいん　→　かいしゃいんになる to become a company employee

kaishain - kaishain ni naru

  
   
日本語の　勉強が　楽しく　なりました。 Studying the Japanese language is fun now
(though it was like torture before).
nihongo-no benkyoo-ga tanoshiku narimashita.  
   
日本語　の 　勉強　が　好き　に　なりました。 I have grown fond of studying the Japanese language.
nihongo-no benkyoo-ga suki ni narimashita.  

When an adjective is used with naru, a question arises whether the sentence describes an absolute change (ex. "it has become warm, hence it is not cold any longer") or a relative change (ex. "it has become warmer, but it is still cold"), naru sentences are ambiguous in isolation. If you want to make clear that you are talking in relative terms, you can use the pattern for comparison together with naru.
メアリーさんは　前より　日本語が　上手に　なりました。 Mary's Japanese has improved since before.
Mary-san, compared to before, Japanese language, skillfully became.
mearii-san-wa mae-yori nihongo-ga joozu-ni narimashita.