AnalyzerSentence analysis4SpansSentence船が沈んだ。1000 character limitAnalyzeSentence船ふねが沈しずんだ。Span Details船ふねship; boat; watercraft; vessel; seaplane; tank; tub; vat; trough; counter for boat-shaped containersnoun, noun suffix, counterがsubject markergrammar沈しずんsink; go under; submerge; set; go down; descend; feel depressed; become somber; be subdued-> 沈むgodan verbだ。past tense or completed action-> たgrammar