GrammarN52 min read2026-02-17

い形容詞 名詞です

How to use i-adjectives to describe nouns in Japanese sentences

Meaning

This grammar pattern shows how i-adjectives modify nouns in Japanese. Place the i-adjective directly before the noun you want to describe, then add です. When there is a subject, use the pattern: Noun1 は i-adjective Noun2 です. The i-adjective always comes immediately before the noun it modifies.

Formation

Part of speechFormation
い形容词+名词い形容詞 + 名詞です
带主语名詞1は い形容詞 名詞2です

Examples

  1. ジャパンホテルは あの 白い 建物です。
    The Japan Hotel is that white building.

  2. この 紅茶は とても おいしい お茶です。
    This black tea is very delicious tea.

  3. 今日は いい天気です。
    Today is nice weather.

Summary

  • Place i-adjectives directly before the noun they modify
  • Use Noun1 は i-adjective Noun2 です pattern when introducing a subject
  • The i-adjective and noun together function as the predicate after です

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