Analyzer
Sentence analysis
10Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
迅速
quick; rapid; swift; promptna-adjective, noun
な
adnominal form of the copula after a na-adjectivegrammar
行動
action; conduct; behavior; mobilizationnoun, suru verb, no-adjective
が
subject markergrammar
大惨事
great disaster; catastrophe; train wrecknoun
を
object markergrammar
防い
defend against; protect against; prevent; avert; avoid-> 防ぐgodan verb
だ。
past tense or completed action-> たgrammar