It is raining cats and dogs.

> The sentence is correct.

If you don't eat this, you have no more dinner and you will be hungry.

> If you don't eat this, you can't eat anything else for dinner and you will be hungry.

Yesterday, the policeman cought the murderer red-handed.

> Yesterday, the policeman caught the murderer red-handed.

You've came just in time.

> The sentence is correct.

Apologize to Annie, or I'll give you a dose of your own medicine.

> The sentence is correct.