The biggest jump in Japanese difficulty happens between Lesson 25 (plain past) and Lesson 26 (potential verbs). Most self-learners quit here — not because it’s impossible, but because free PDFs of Lesson 26+ don’t include the audio or teacher’s notes. Solution : Use OtoNavo (free app) to play the official MNN Lesson 26–50 audio tracks while following a library-borrowed copy of the textbook.
You will learn how to say you "can" do something and how to express intentions or plans. minna no nihongo lesson 26 to 50 pdf free download hot