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Sentence

この区く間かんは複ふく線せん化かの工こう事じが進すすんでいる。

Span Details

pre-noun adjective

区く間かん

section; segment; stretch

noun, noun suffix

は

topic marker

grammar

複ふく線せん

double track; two-track line

-ization; -ification; change into

possession, attribution, nominalizer, or nominal linker

工こう事じ

construction work; construction

noun, suru verb

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

ongoing or resultant state

-> ているgrammar