Sentence examples for rules have been from inspiring English sources

The rules have been tightened.

Hand-washing rules have been tightened.

The rules have been chopped and changed.

Today's rules have been found wanting.

But the rules have been revised.

Such rules have been adopted.

Quite clearly, the rules have been broken.

"Rules have been laid down," he says.

On uniform, rules have been strictly enforced.

The rules have been a boon.

The rules have been so changed".