When the cat is away, the mice will play. ✬

The mice ate some of the bread. ✬

Cats catch mice. ✬

It doesn't matter whether the cat is black or white as long as it catches mice. ✬

When the cat's away, the mice will play. ✬

Tom has been trying to get rid of the mice in his house. ✬

Modern cats don't eat mice. ✬

Have you noticed that we have mice in the house? ✬

This cat doesn't chase mice. ✬

I killed the mice. ✬