研 とげます togemasu 1. Can sharpen; Am able to sharpen 敬 敬 ★ Common Verb #37866 Open Menu Add to collection... Open
研 とげない togenai 1. Cannot sharpen; Cannot grind ★ Common Verb #45911 Open Menu Add to collection... Open
研 とげば togeba 1. If/when you sharpen; If/when it is sharpened ★ Common Verb #47369 Open Menu Add to collection... Open