Then, with gathering momentum in the last few months, other Canadians began doubting the agreement.

I thought them not much to the purpose, and soon began doubting that he was what he claimed.

After hearing peoples stories, Hercules begins doubting himself and his way of life.

If he began doubting his own memories, he might as well open the door right now to chaos.

Bush's statements led some conservatives to begin doubting Bush's dedication to tax cuts.

And once they read the fine print, a good many voters apparently began doubting whether Initiative 119 contained enough safeguards against abuse.

Raised in a non-religious Jewish home, he began doubting the existence of a God at age nine.

From here it is a small step to begin doubting medical science.

It is very difficult to be sure of anything, once you begin doubting your memory on principle.

However, within minutes he began doubting they were gods.