AnalyzerSentence analysis7SpansSentence彼は根気よく研究を続けた。1000 character limitAnalyzeSentence彼かれは根こん気きよく研けん究きゅうを続つづけた。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar根こん気きよくpatiently; with perseveranceadverb研けん究きゅうresearch; study; investigationnoun, suru verbをobject markergrammar続つづけcontinue; keep doing; keep up; continue to ...; keep on ...-> 続けるichidan verb, auxiliaryた。past tense or completed actiongrammar