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Sentence
Span Details
留守の間、
during one's absence; while awayexpression, no-adjective
代理
representation; agency; acting on behalf of; representative; deputy; substitute; stand-innoun, suru verb, no-adjective
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar