AnalyzerSentence analysis6SpansSentence彼は意欲的な研究者だ。1000 character limitAnalyzeSentence彼かれは意い欲よく的てきな研けん究きゅう者しゃだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar意い欲よく的てきeager; enthusiastic; motivatedna-adjectiveなadnominal form of the copula after a na-adjectivegrammar研けん究きゅう者しゃresearchernounだ。plain copulagrammar