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Sentence analysis
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Sentence
Span Details
それ
that; it; then; that time; that point; there; you-> 其れpronoun
は
topic markergrammar
極めて
extremely; exceedingly; veryadverb
稀
rare; uncommon; seldomna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
ケース
case; container; box; instance; situation; grammatical casenoun
ＣＡＳＥけーすcomputer-aided software engineering; CASE
だ。
plain copulagrammar