Rule
- くなる is used with いAdjective. (without い)
- になる is used with なAdjective. (without な)
How to use
くなる
| Hiragana | Romaji | Meaning |
|---|---|---|
| つよくなる | tsu yo ku na ru | become strong |
| よわくなる | yo wa ku na ru | become weak |
| あつくなる | a tsu ku na ru | become hot |
| さむくなる | sa mu ku na ru | become cold |
| すずしくなる | su zu shi ku na ru | become cool |
| あたたかくなる | a ta ta ka ku na ru | become warm |
| みじかくなる | mi ji ka ku na ru | become short |
| ふるくなる | fu ru ku na ru | become old |