AnalyzerSentence analysis6SpansSentence彼は真面目な学生だ。1000 character limitAnalyzeSentence彼かれは真面目まじめな学がく生せいだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar真面目まじめserious; earnest; sober; grave; honest; sincerena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar学がく生せいstudent (especially university)nounだ。plain copulagrammar