固う
かとう · katou
固う is the masu-stem of 固い.
How it’s built
Masu-stem (連用形). The base for ます, たい and ながら, and the way to link two actions: 書き → 書きます.
This spelling is the version with う (sound change, mostly in polite or older speech).
固い is a i-adjective, so it follows that pattern.
Name that form
Three more forms of 固い. Can you tell what each one is?
Every form of 固い
| Negative (ない形) | 固くないかたくない |
| Past (た形) | 固かったかたかった |
| Past negative (なかった) | 固くなかったかたくなかった |
| Te-form (て形) | 固くてかたくて |
| Adverb (副詞形) | 固くかたく |
| Before a noun (連体形) | 固いかたい |
| Ba-conditional (条件形) | 固ければかたければ |
| Tara-conditional (たら形) | 固かったらかたかったら |
| Become ~ (~なる) | 固くなるかたくなる |
| Too ~ (~すぎる) | 固すぎるかたすぎる |
Drill every form in the Conjugation Dojo →
Other forms and spellings
固い固けれ固きゃ固けりゃ固かろ固かろう固かろふ固え固く固かっ固Save your words
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