AnalyzerSentence analysis4SpansSentenceガソリンを買わなければならない。1000 character limitAnalyzeSentenceガソリンを買かわなければならない。Span Detailsガソリンgasoline; petrolnounをobject markergrammar買かわbuy; purchase; value highly; think highly of; appreciate; incur; invite; arouse; win favor; take up; accept; take on; pay for a prostitute; hire a geisha-> 買うgodan verbなければならない。must; have togrammarAlso Foundならないならないcannot help feeling; unbearably; irresistibly; must not; should not; must; have to; ought to; cannot; unable to; notoptional
