Sentence examples for this has not been from inspiring English sources

This has not been easy.

Historically, this has not been easy.

"This has not been a fun process".

Tells how this has not been followed.

So this has not been good".

This has not been shown before".

This has not been matched in Europe.

All this has not been universally acclaimed.

This has not been officially confirmed.

But this has not been officially confirmed.

And this has not been done.