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What does the grammar form of 知るin the below sentence mean?


The sentence is from the Japanese version of Harry Potter I

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up vote 8 down vote accepted

It's a contraction of 知っておった which is an archaic/dialectal version of 知っていた, which means "knew".

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This is correct of course, but to add, 居る{おる} (godan) is the archaic/dialectical form of 居る{いる}, the rest follows. – Darius Jahandarie Feb 25 '13 at 3:13

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