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Sentence analysis
6Spans
Sentence
Span Details
重大
serious; important; significant; gravena-adjective, noun
な
adnominal form of the copula after a na-adjectivegrammar
発表
announcement; publication; presentation; releasenoun, suru verb
が
subject markergrammar
あり
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary
ます。
polite non-pastgrammar