So we need to stay with the most common words.

She did not need to stay here a moment longer.

I may need to stay for a day, maybe two.

I need to stay here to make sure you don't do anything else.

Now he just needs to stay out of the way.

I need to stay in the present, focus on the shot at hand, and get the job done.

We need to stay together and become more of a team.

But she needed to stay and he couldn't leave her behind.

I need you to stay on the line with me.

Maybe she did not really need to stay any longer.