On this particular issue, there was no reason to doubt him.

There was no reason to doubt Central's word about it.

Far as she could tell, there had never been any reason to doubt it.

Well, I mean, we have no reason to doubt the professor.

On the other hand there was no reason to doubt it.

The truth was, she had no reason to doubt herself.

Several campaign officials said they had no reason to doubt them.

She did have some reason to doubt that, he thought.

We have no reason to doubt your account of what happened.

So far, there is no reason to doubt that the city will try to do the right thing.