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Sentence analysis
7Spans
Sentence
Span Details
警備員
guard; security guard; security officernoun
は
topic markergrammar
一晩中
all night long; all through the nightadverb
警戒
vigilance; caution; alertness; precaution; being on guardnoun, suru verb
を
object markergrammar
続け
continue; keep doing; keep up; continue to ...; keep on ...-> 続けるichidan verb, auxiliary
た。
past tense or completed actiongrammar