AnalyzerSentence analysis4SpansSentenceあいつは役立たずだ。1000 character limitAnalyzeSentenceあいつは役やく立たたずだ。Span Detailsあいつhe; she; that guy; that; that one; that thing-> 彼奴pronounはtopic markergrammar役やく立たたずuseless; good-for-nothingno-adjectiveだ。plain copulagrammar