AnalyzerSentence analysis6SpansSentence彼は作文が上手だ。1000 character limitAnalyzeSentence彼かれは作さく文ぶんが上手じょうずだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar作さく文ぶんwriting; composition; essay; empty formal writing; perfunctory compositionnoun, suru verbがsubject markergrammar上手じょうずskillful; good at; proficient; flatteryna-adjective, nounだ。plain copulagrammar