GrammarN42 min read2026-02-17

動詞辞書形の に…/名詞 に…

Express purpose or use with 'noun + に' or 'verb + のに'

Meaning

This pattern expresses the purpose or intended use of something. The particle に marks the target or purpose. When using a verb, nominalize it with の before に. This structure commonly pairs with words like 使う (to use), 役に立つ (to be useful), 便利 (convenient), いい (good), or わるい (bad) to describe what something is for or how it's used.

Formation

Part of speechFormation
动词动词辞书形 + のに + …
名词名词 + に + …

Examples

  1. スマートフォンは道を調べるのにとても便利です。
    Smartphones are very convenient for checking directions.

  2. お酒を飲みすぎると、体によくないです。
    Drinking too much alcohol is not good for your body.

  3. この写真はレポートを作るのに使いたいです。
    I want to use this photo for making my report.

Summary

  • Use 'verb + のに' or 'noun + に' to express purpose and intended use
  • Commonly used with words meaning 'useful,' 'convenient,' 'good,' or 'bad'
  • The particle に marks what something is for or how it will be used

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