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Sentence
Span Details
地震
earthquakenoun
は
topic markergrammar
いつ何時
at any time; at any moment; when; at what momentadverb
起こる
happen; occur; arisegodan verb
か
question or alternative markergrammar
わから
understand; comprehend; grasp; become clear; be known; turn out; I know!; right?!-> 分かるgodan verb, interjection
ない。
negative auxiliarygrammar