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Sentence analysis
7Spans
Sentence
Span Details
歴史的
historical; traditional; historicna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
書簡
letter; note; correspondencenoun
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