Analyzer
Sentence analysis
7Spans
Sentence
Span Details
トンネル
tunnel; tunnel through a potential barrier; letting a grounder go through one's legsnoun, suru verb
を
object markergrammar
穿つ
drill; bore; pierce; pass through; hit the mark; get to the heart of; be true to nature; put on; weargodan verb
工事
construction work; constructionnoun, suru verb
が
subject markergrammar
始まっ
begin; start; commence; start up again; begin again; happen again; date from; originate in; have its beginnings in-> 始まるgodan verb
た。
past tense or completed actiongrammar