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Sentence analysis
7Spans
Sentence
Span Details
改憲
constitutional change; constitutional revisionnoun, suru verb
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
国民投票
national referendum; plebiscitenoun
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar