Let him start to worry about us for a change.

But he has been walking for hours and is starting to worry.

And when it did her parents would start to worry about them, if they hadn't already.

At this point I started to worry that my living room is too small.

You start to worry, Is this the way it's going to be?

I could tell that he was starting to worry, too.

If 1 am not there - then you start to worry.

Now I see my mother starting to worry about me.

I was starting to worry, all right, but not in the way he thought.

They were late but no one had started to worry.