People know the rules when they go into a court room.

He had to know the rules of the new game.

Both men had known the rules when they sat down to play.

The women you played with always knew the rules, went in for the game.

Some of them became too involved, and many didn't know the rules.

But he doesn't even know the rules of the game.

Or else you don't know the rules to the game.

But at least I knew the rules of the game.

Often the guys don't play better than the women, but they know the rules.

We didn't know the rules, or even what game he was playing.