We might not have been able to stop him in time.

I'd come upon the man too suddenly to stop in time.

He was about to ask her if she had also, and stopped himself just in time.

If they get under way, you might not be able to stop them in time.

The train could not stop in time, and 151 lives were lost.

He started to ask a question, and stopped himself just in time.

She stopped just in time, felt for it, and then made her way around.

What if he couldn't stop in time, either, and went right over the edge?

I started to say something but stopped myself just in time.

He went to pick it up, and stopped himself in time.