But she hadn't counted on his not being able to handle her success.

They might have found an opportunity to escape from the island that had to be taken advantage of on the instant or not at all.

Do you want the kitchen light on or not?

Why had taxes on the rich not been raised?

On the contrary, too much and not her own.

"Could you then rely on my not reporting the matter to the Foundation?"

But I can't take the chance on your not making it.

Now would you like me to put the kettle on or not?

"The question is, Can the president be counted on or not?"

"Are you going to put the suit on or not?"