This is why I think my sensei is a good nage because he does good ukemi.
I know this has been discussed here already a lot, good ukemi, bad ukemi, breakfalls, etc. but I am not good at explaining things, that's why I post videos.
The only thing i can say about ukemi is the first time the chief instructor called me in front and be the uke for the lesson, that was the time I said " I think I'm doing an okay ukemi"
This is my sensei doing the basics to the advance.