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Sentence analysis
7Spans
Sentence
Span Details
古代
ancient times; antiquitynoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
秘宝
hidden treasure; secret treasurenoun
が
subject markergrammar
発見
discovery; detection; findingnoun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た。
past tense or completed actiongrammar