AnalyzerSentence analysis7SpansSentence古墳時代の古墳は前方後円墳が多い。1000 character limitAnalyzeSentence古こ墳ふん時じ代だいの古こ墳ふんは前ぜん方ぽう後こう円えん墳ふんが多おおい。Span Details古こ墳ふん時じ代だいKofun period; Tumulus periodnounのpossession, attribution, nominalizer, or nominal linkergrammar古こ墳ふんancient burial mound; tumulus; barrownounはtopic markergrammar前ぜん方ぽう後こう円えん墳ふんkeyhole-shaped ancient Japanese tumulusnounがsubject markergrammar多おおい。many; numerous; a lot; much; frequent; commoni-adjective