Over the past couple of years here, we've come to a certain point and then not been able to go on.

At a certain point, these things take on a life of their own.

At a certain point, he was almost on top of me.

And up to a certain point, the plan really had seemed to be working.

Can only be used at certain points in the story.

At a certain point her husband wouldn't be able to keep up.

At a certain point, they need to do their job.

Not all the way through, but to a certain point.

Up to a certain point he told it, then she went on with the story.

But looking back, there are certain points where I sat up.