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Sentence analysis
6Spans
Sentence
Span Details
前代未聞
unprecedented; unheard-of; record-breakingnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
事件
incident; case; affair; eventnoun
が
subject markergrammar
起き
get up; rise; blaze up; wake up; be awake; stay awake; occur; happen; take place-> 起きるichidan verb
た。
past tense or completed actiongrammar