AnalyzerSentence analysis4SpansSentence二課勉強は大変だった。1000 character limitAnalyzeSentence二に課か勉べん強きょうは大たい変へんだった。Span Details二に課か勉べん強きょうstudying two lessonsnoun, suru verbはtopic markergrammar大たい変へんvery; greatly; awfully; serious; grave; immense; terrible; difficult; hard; tough; major incident; disasteradverb, na-adjective, nounだった。past copulagrammar