AnalyzerSentence analysis5SpansSentence落ち葉を山積みにした。1000 character limitAnalyzeSentence落おち葉ばを山やま積づみにした。Span Details落おち葉ばfallen leaves; leaf litter; leaf fall; defoliation; deciduousnounをobject markergrammar山やま積づみhuge mound; heap; pilenoun, suru verbにdirection, time, indirect object, or target markergrammarした。light/support verb with a noun or noun-like phrase-> するgrammar