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Sentence analysis
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Sentence
Span Details
戸締まり
locking up; fastening doors and windowsnoun, suru verb
を
object markergrammar
しっかり
tightly; firmly; securely; strongly; solidly; sturdily; properly; thoroughly; fully; reliably; dependably; shrewdly-> 確りadverb
確認
confirmation; verification; checknoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar