AnalyzerSentence analysis6SpansSentence彼は研究熱心な学生だ。1000 character limitAnalyzeSentence彼かれは研けん究きゅう熱ねっ心しんな学がく生せいだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar研けん究きゅう熱ねっ心しんeager to study; enthusiastic about research; studiousna-adjectiveなadnominal form of the copula after a na-adjectivegrammar学がく生せいstudent (especially university)nounだ。plain copulagrammar