Analyzer
Sentence analysis
11Spans
Sentence
Span Details
彼ら
they; thempronoun
は
topic markergrammar
自発的
spontaneous; voluntaryna-adjective
に
adverbial form after an adjectival suffixgrammar
地域
area; region; district; localitynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
清掃
cleaning; clean-up; garbage collection; scavengingnoun, suru verb
活動
activity; action; operation; moving picture (obs. abbr.)noun, suru verb
に
direction, time, indirect object, or target markergrammar
参加
participation; joining; entrynoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar