AnalyzerSentence analysis6SpansSentence彼は熱心な環境保護論者だ。1000 character limitAnalyzeSentence彼かれは熱ねっ心しんな環かん境きょう保ほ護ご論ろん者しゃだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar熱ねっ心しんenthusiastic; eager; zealousna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar環かん境きょう保ほ護ご論ろん者しゃenvironmentalistnounだ。plain copulagrammar