Analyzer
Sentence analysis
7Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
息の長い
long-lasting; sustained; prolonged; long-winded; drawn-outi-adjective
研究
research; study; investigationnoun, suru verb
を
object markergrammar
続け
continue; keep doing; keep up; continue to ...; keep on ...-> 続けるichidan verb, auxiliary
ている。
ongoing or resultant stategrammar