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Sentence analysis
6Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
根気
patience; perseverance; tenacitynoun
が
subject markergrammar
いる。
be; exist; stay; be ...-ing; have ...-ed; be ...-ed-> 居るichidan verb, auxiliary