Analyzer
Sentence analysis
9Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
旧典
old tradition; ancient classicnoun
を
object markergrammar
研究
research; study; investigationnoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ている
ongoing or resultant stategrammar
学者
scholar; academic; scientist; learned person; person of learningnoun
だ。
plain copulagrammar