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
建物
building; structurenoun
は
topic markergrammar
耐震
earthquake-resistant; seismic resistancenoun, no-adjective
バックフィット
backfit; retrofit; backfitting; retrofittingnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar