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Last Updated:2026/07/27
Sentence

He voluntarily joined the community clean-up activity.

Related words

じはつてき

Kanji
自発的
Adjectival noun

自発的: voluntary

He voluntarily joined the community clean-up activity.

Word Forms

The basic and commonly used forms of this adjectival noun.

Basic forms
Form Word form Usage
Imperfective form (mizenkei)
Alternative: じはつてきだろ
Used in forms such as darou.
Continuative form (renyokei)
Alternative: 自発的に じはつてきで じはつてきに
Used with de or ni.
Conclusive form (shushikei)
Alternative: じはつてきだ
Ends a sentence with da.
Attributive form (rentaikei)
Alternative: じはつてきな
Modifies a noun with na.
Conditional form (kateikei)
Alternative: 自発的であれば じはつてきなら じはつてきであれば
Expresses a condition with nara.
Imperative form (meireikei)
Alternative: じはつてきであれ
Used in formal expressions such as de are.
Common forms
Form Word form Usage
Te-form equivalent
Alternative: じはつてきで
Connects clauses using de.
Ta-form
Alternative: 自発的でした じはつてきだった じはつてきでした
Expresses the past with datta.
Nai-form
Alternative: 自発的じゃない じはつてきではない じはつてきじゃない
Expresses negation with dewa nai or ja nai.
Desu-form
Alternative: じはつてきです
Used for polite speech.
Notes
  • 見出し語は仮名表記「じはつてき」だが、一般的な表記として「自発的」を primary にした。

Japanese - Multilingual

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