AnalyzerSentence analysis4SpansSentence生理が始まった。1000 character limitAnalyzeSentence生せい理りが始はじまった。Span Details生せい理りphysiology; menstruation; periodnounがsubject markergrammar始はじまっbegin; start; commence; start up again; begin again; happen again; date from; originate in; have its beginnings in-> 始まるgodan verbた。past tense or completed actiongrammar