AnalyzerSentence analysis3SpansSentence終生忘れない。1000 character limitAnalyzeSentence終しゅう生せい忘わすれない。Span Details終しゅう生せいall one's life; throughout one's life; as long as one livesnoun, adverb忘わすれforget; leave behind-> 忘れるichidan verbない。negative auxiliarygrammar