In Japanese, the verb 知る (meaning "to to know / find out", JLPT N5) conjugates in the Past Negative Casual form as 知らなかった (shiranakatta). Verb group: Group 1.
Context Example
ニュースを知らなかった。
Nyuusu o shiranakatta.
I did not know the news.
What is the Past Negative Casual conjugation of 知る (shiru)?
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