AnalyzerSentence analysis3SpansSentenceべき時だ1000 character limitAnalyzeSentenceべき時ときだSpan Detailsべきshould; must; ought to-> 可きauxiliary冪べきexponent; power時ときtime; hour; moment; occasion; case; when; chance; opportunity; season; the times; the age; the day; tensenoun, adverbだplain copulagrammar