AnalyzerSentence analysis6SpansSentence彼は高校時代の級友だ。1000 character limitAnalyzeSentence彼かれは高こう校こう時じ代だいの級きゅう友ゆうだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar高こう校こう時じ代だいone's high school days; high school yearsnounのpossession, attribution, nominalizer, or nominal linkergrammar級きゅう友ゆうclassmatenounだ。plain copulagrammar