I'm never coming back.

I'm walking out and I'm never coming back. / Я ухожу и я никогда не вернусь.

like never before

Ladies and gentlemen, our nation is devided like never before. / Дамы и господа, наша нация разделена, как никогда раньше.

They never really had any money.

I've never had any friends.

I've never seen a woman drink that much.

over my dead body

You'll get married over my dead body! / Вы поженитесь только через мой труп!

We'll never know the future.

You'll never guess.

It's never too late.

I never thought of it this way.