I self-study Japanese. I am at JLPT N3 Level (if we will base it on the certificate that I have). However, I really think I'm weak with grammar. I mostly understand when someone speaks Japanese, but I am having a hard time choosing the right term. I mostly struggle with verb tenses and many other things about grammar. Can somebody recommend me any free online material where I can easily learn and practice (preferably one that really starts with the basic rules)
I'm not just so into language app full of just quizzes, I really want a material with explanation.