Analyzer
Sentence analysis
13Spans
Sentence
Span Details
階段
stairs; stairway; staircasenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
側桁
stringer; slanted staircase beamnoun
が
subject markergrammar
老朽化
deterioration; becoming decrepit; becoming worn outnoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ている
ongoing or resultant stategrammar
ので、
because; sincegrammar
補強
reinforcement; strengtheningnoun, suru verb
工事
construction work; constructionnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar