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Sentence analysis
8Spans
Sentence
Span Details
トンネル
tunnel; tunnel through a potential barrier; letting a grounder go through one's legsnoun, suru verb
掘削
excavation; diggingnoun, suru verb
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
大型機械
heavy machinery; large machinery; plantnoun
が
subject markergrammar
使わ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
れる。
passive voice; suffering passive; potential form; spontaneous occurrence; honorific (sonkeigo)auxiliary verb, auxiliary