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Sentence analysis
8Spans
Sentence
Span Details
鉄道
railway; railroad; rail transportnoun
交通
traffic; transportation; communication; exchange (of ideas, etc.); intercoursenoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
整備
maintenance; servicing; development; improvement; putting in placenoun, suru verb
が
subject markergrammar
進ん
advance; go forward; move ahead; precede; go ahead; lead; make progress; improve; deepen; heighten; intensify; be fast (clock); be ahead; gain time; do willingly; do of one's own accord-> 進むgodan verb
でい
ongoing or resultant state-> ているgrammar
ます。
polite non-pastgrammar