AnalyzerSentence analysis4SpansSentenceパーティーにいた?1000 character limitAnalyzeSentenceパーティーにいた?Span Detailsパーティーparty; social gathering; group taking part in an activity; political partynounにdirection, time, indirect object, or target markergrammarいbe; exist; stay; be ...-ing; have ...-ed; be ...-ed-> 居るichidan verb, auxiliaryた?past tense or completed actiongrammar