But there are a number of things preventing that from happening.

The only thing preventing people from getting away to safety is your security!

However two things prevented him from carrying out his intentions.

Norton knew he should hit her with his rod, but three things prevented him.

Only one thing had prevented him from doing just that: the existence of this desk.

Certainly the thing of Hish will not prevent that change.

"A good thing to prevent, if we can," Paul said.

The only thing preventing people from switching right now is willingness to learn.

The best thing you can do is prevent catching the virus that causes the common cold.

These things should prevent believers from doing harm to strangers.