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Sentence analysis
10Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
蝶
butterflynoun
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
季節
season; time of yearnoun, no-adjective
による
by; due to; depending ongrammar
両形
dimorphismnoun, no-adjective
が
subject markergrammar
見
see; look; watch; view; observe; examine; look over; check; assess; judge; look after; take care of; attend to; experience; meet with (misfortune, success); try doing; have a go at; see that...; find that...-> 見るichidan verb, auxiliary
られる。
passive, potential, or respect auxiliary-> れる/られるgrammar