Analyzer
Sentence analysis
13Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
地域
area; region; district; localitynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
地史
geological history; geohistorynoun
を
object markergrammar
調べる
examine; look up; investigate; checkichidan verb
と、
quotation, conditional, companion, or and markergrammar
かつて
once; before; formerly; ever; never yet; never before; first time-> 嘗てadverb, no-adjective
海
sea; ocean; watersnoun
だった
past copulagrammar
こと
thing; matter; the fact that; doing; incident; event; trouble; crisis; circumstances; situation; state of affairs; affairs; business; work; make-believe; pretending to; also known as; real name; alias; no need to; not necessary to; should; it is important to; I advise that-> 事noun, noun suffix
が
subject markergrammar
わかる。
understand; comprehend; grasp; become clear; be known; turn out; I know!; right?!-> 分かるgodan verb, interjection