My only concern here is making sure we have that.

My concern is going in there, making the Olympic team and winning.

Earth Day and all the recent concern for the environment has made a real difference.

So if the question is have I made clear my concerns?

"Our concern is making changes to ensure that these plans don't get into any more trouble," he said.

But her growing concern finally made Margaret bring up the subject of marriage.

For now, his sole concern was making the most of the current situation.

That concern sometimes makes it out of the classroom and into the adult community.

His primary concern now was making sure the test would work.

Their concern has made Washington a better place to live.