Can we say, that だ and です are godan verbs with ru-ending, because they are
just simplyfied versions of である and であります?
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2019-06-28T11:55:55.350
69151
2019-06-28T15:15:13.737
34165
question
verbs terminology godan-verbs ichidan-verbs
だ and です godan or ichidan
According to goo 辞書 dictionary.goo.ne.jp, だ and です are simply 助動詞 or じょどうし。
(helping or auxiliary verb)

I like goo 辞書 for the monolingual definitions.

ある is 動ラ五 meaning 動詞 (どうし)、ラ行 (ぎょう)、五段 (ごだん)。

To me, だ and です are not very verb-like.

It might not be useful to classify them.

I hope this helps!
CC BY-SA 4.0
2019-06-28T15:15:13.737
69157
2019-06-28T15:15:13.737
69151
answer