kotennosennsei.com/kobun-keigo-100/
Study guide to classical Japanese honorifics with 100 practice problems organized by category, including types of honorifics, translation patterns, and direction of politeness.
Classical JapaneseGrammarIn JapaneseClassical JapaneseKeigo and politenessJLPTFreePassive and causativeVerb conjugationConditionalsConversationParticles