I actually love Bunpro, but I’ve turned off the English translation while testing, so I actually have to understand the sentence in order to complete it… Also, they link to a lot of outside grammar resources that you can read or refer to.
I can’t say that I am proficient, even though I can feel some progress happening. What helps is definitely doing some kind of Japanese study everyday, and also shadowing or learning audio by heart and practicing to say it as fluently as possible (I’m actually in an international training program for another subject that has both Japanese and American students, so I’ve had a chance to work on personal material in Japanese for presentation, with the help of the Japanese students). I feel that when I shadow a lot I understand better.
A little off topic, but I thought it would be of interest to show how I use Slite to centralize all my Japanese notes, especially grammar points:
I copy and paste all the resources I find useful on each point into one doc (see link below) I can refer to easily. Saves me lots of time and allows me to study in a centralized way and keep track of progress.
Anyway, I’m far from being proficient but keeping at it!!!