JLPT N5 na-Adjective Usage

Learn the essential usage patterns for na-adjectives in JLPT N5. Master how to use な with nouns and as predicates with です.

Basic Usage Patterns
きれい (kirei - beautiful)
Before Nouns:きれいな花
kirei na hana
beautiful flower (Use な when modifying nouns)
As Predicate Present:きれいです
kirei desu
It is beautiful (Drop な when used as predicate)
As Predicate Past:きれいでした
kirei deshita
It was beautiful
Negative:きれいではありません
kirei dewa arimasen
It is not beautiful
📝 Usage Rules

Modifying Nouns

na-adjective + な + noun
Example: 元気な人 (genki na hito)
Always use な when directly modifying a noun

As Predicate

na-adjective + です
Example: 元気です (genki desu)
Drop な when used as predicate with です

Negative Form

na-adjective + ではありません
Example: 元気ではありません
Standard negative form

Past Tense

na-adjective + でした
Example: 元気でした (genki deshita)
Past positive form
🔍 Key Usage Points

With Nouns

静かな図書館
quiet library
有名な歌手
famous singer

Always use な between adjective and noun

As Predicate

図書館は静かです
The library is quiet
歌手は有名です
The singer is famous

No な when used as predicate

⚠️ Common na-Adjectives

きれい (beautiful)

Usually written in hiragana
きれいな部屋 (beautiful room)
部屋がきれいです (The room is beautiful)

大丈夫 (okay)

Often used alone
大丈夫です (It's okay)
大丈夫な人 (person who is okay)
💡 Grammar Study Tips

Practice Methods:

  • • Practice switching between noun modification and predicate use
  • • Create pairs of sentences: "きれいな花" vs "花がきれいです"
  • • Focus on when to use/drop な
  • • Practice with abstract concepts (emotions, states)

Common Mistakes:

  • • Don't forget な when modifying nouns
  • • Don't add な when using as predicate
  • • Remember many can be written in hiragana
  • • Practice distinguishing from i-adjectives

Vocabulary Note: For complete lists of na-adjectives by theme, visit the na-adjectives vocabulary section.