He was beginning to question himself over every little thing.

When someone began to question Green about it, he looked up quickly.

And when they began to question me, then I knew that my problems were only just beginning.

When things go wrong, we begin to question this model.

But I'm beginning to question the entire basis of the thing.

I'm beginning to question the whole point of the trip.

I began to question the doctors for the first time.

Yet, as the movie goes on, you begin to question whether it makes much sense.

In turn, the people begin to question whether or not new leadership is needed.

Finally, Jesus began to question his father about some of these things.