Material：
List Japanese Conjugation 五段動詞 Godann-verb
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List Japanese Conjugation 上一段動詞 Kami-Ichidann-verb
PDF
List Japanese Conjugation 下一段動詞 Shimo-Ichidann-verb
PDF
List Japanese Conjugation カ変動詞 Kahenn-verb
PDF
List Japanese Conjugation サ変動詞 Sahenn-verb
PDF
List Japanese Conjugation 形容詞 I-adjective
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List Japanese Conjugation 形容動詞 Na-adjective
PDF
Commentary：
活用 (
Hiragana: かつよう
Romaji: Ka-tsu-yo-u) is the conjugation. In Japanese, four parts of speech are conjugated: 動詞 (どうし Do-u-shi), 形容詞 (けいようし Ke-i-yo-u-shi), 形容動詞 (けいようどうし Ke-i-yo-do-u-shi), and 助動詞 (じょどうし Jo-do-u-shi).
Further study：
Japan Ministry of Education (文部科学省).
学習指導要領 生きる力. 2017.
Republic of Korea Ministry of Education (대한민국
교육부).
People's Republic of China Ministry of Education (
中华人民共和国教育部). Tōngyòng Guīfàn Hànzì Biǎo (通用规范汉字表). 2013.
U.S. Department of Education (アメリカ合衆国教育省).