Analyzer
Sentence analysis
8Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
地域
area; region; district; localitynoun
は
topic markergrammar
かつて
once; before; formerly; ever; never yet; never before; first time-> 嘗てadverb, no-adjective
産炭
coal mining; coal productionnoun
で
location, means, or scope markergrammar
栄え
prosper; flourish; thrive-> 栄えるichidan verb
た。
past tense or completed actiongrammar