AnalyzerSentence analysis4SpansSentence彼はよく気が変わる。1000 character limitAnalyzeSentence彼かれはよく気きが変かわる。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammarよくwell; properly; skillfully; often; frequently; I'm glad that ...; thank you for ...; quite the nerve to; I don't know how you can ...-> 良くadverb気きが変かわる。change one's mindexpression, verb