Looking on the internet deeply has found these results:

all the responsibility is mine is the most popular phrase on the web.

all the responsibilities are mine 18 results on the web	all the responsibility is mine 153 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
But right now the responsibilities are mine. But I spend it because the responsibility is mine. The responsibility is mine, Andr�. The responsibility is mine, and mine alone. The responsibility is mine, and mine alone. Don't worry, Liesowski, the responsibility is mine. I don't expect you to believe anything, except that the responsibility is mine, and the disgrace. The responsibility is mine. I must have it, sir. I shall not give way.	But I spend it because the responsibility is mine. I don't expect you to believe anything, except that the responsibility is mine, and the disgrace. Don't worry, Liesowski, the responsibility is mine. The responsibility is mine. I must have it, sir. I shall not give way. All that matters is that the responsibility is mine, and I took it by leaving my post. The responsibility is mine, and mine alone. The responsibility is mine, and mine alone. The responsibility is mine, Andr�.

all the responsibilities are mine

18 results on the web

all the responsibility is mine

153 results on the web

More popular!

But right now the responsibilities are mine.
But I spend it because the responsibility is mine.
The responsibility is mine, Andr�.
The responsibility is mine, and mine alone.
The responsibility is mine, and mine alone.
Don't worry, Liesowski, the responsibility is mine.
I don't expect you to believe anything, except that the responsibility is mine, and the disgrace.
The responsibility is mine. I must have it, sir. I shall not give way.

But I spend it because the responsibility is mine.
I don't expect you to believe anything, except that the responsibility is mine, and the disgrace.
Don't worry, Liesowski, the responsibility is mine.
The responsibility is mine. I must have it, sir. I shall not give way.
All that matters is that the responsibility is mine, and I took it by leaving my post.
The responsibility is mine, and mine alone.
The responsibility is mine, and mine alone.
The responsibility is mine, Andr�.