Looking on the internet deeply has found these results:

will never fail is the most popular phrase on the web.

is never failed 11,240,000 results on the web	will never fail 15,310,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
You never failed me once, not for a second. But we have someone who has never failed. Because our faith has never failed us. I've never failed to complete. You've never failed me, My Lord. Our magic's never failed before. He never failed to compliment me. I'vealready'tried3times but we have never failed.	And our suffering and pain will give way to a faith that will never fail. Until there will be sun and moon, this law will never fail. Peter must always be the one to confirm. To accompany their detention, however, will never fail a massive popular mobilization that developed not only in Boston and the rest of the United States but also in Europe and worldwide. This vocation will never fail. They're the one thing in my life that have never failed me, and I will never fail them. My desire for you will never fail. 'Cause your bayonet will never fail you. I will not ever... I will never fail them again.

is never failed

11,240,000 results on the web

will never fail

15,310,000 results on the web

More popular!

And our suffering and pain will give way to a faith that will never fail.
Until there will be sun and moon, this law will never fail. Peter must always be the one to confirm.
To accompany their detention, however, will never fail a massive popular mobilization that developed not only in Boston and the rest of the United States but also in Europe and worldwide.
This vocation will never fail.
They're the one thing in my life that have never failed me, and I will never fail them.
My desire for you will never fail.
'Cause your bayonet will never fail you.
I will not ever... I will never fail them again.