yomeru.ai/en/grammar-lab
A searchable grammar reference with clear explanations of Japanese grammar patterns, verb forms, and sentence structures organized by beginner, intermediate, and advanced levels.
GrammarApps and toolsDictionaries and lookupSentence patternsParticlesJLPTTe-formConditionalsVerb conjugationIntermediateBeginnerAdvancedPassive and causativeJLPT N5