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Sentence analysis

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Sentence

大だい事じなことを忘わすれていた。

Span Details

大だい事じ

important; serious; crucial

na-adjective, noun

adnominal form of the copula (after a na-adjective or noun)

こと

thing; matter; the fact that; doing

noun, noun suffix

forget; leave behind

-> 忘れるichidan verb

ongoing or resultant state

-> ているgrammar

past tense or completed action