AnalyzerSentence analysis6SpansSentenceそれは重大な過ちだ。1000 character limitAnalyzeSentenceそれは重じゅう大だいな過あやまちだ。Span Detailsそれthat; it; then; that time; that point; there; you-> 其れpronounはtopic markergrammar重じゅう大だいserious; important; significant; gravena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar過あやまちfault; error; indiscretion; faux pasnounだ。plain copulagrammar