Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
事故
accident; incident; trouble; circumstances; reasonsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
原因
cause; origin; sourcenoun, suru verb
を
object markergrammar
調べ
examine; look up; investigate; check-> 調べるichidan verb
ている。
ongoing or resultant stategrammar