The countries concerned settled the dispute by peaceful means. ✬

What are you concerned about? ✬

Parents are usually concerned about their children's future. ✬

As far as I'm concerned, things are going well. ✬

I am not concerned with this. ✬

I'm very concerned about her illness. ✬

I'm really concerned about your future. ✬

What that fortuneteller said yesterday is nothing to be concerned about. ✬

I'm concerned about my wife's hacking cough. ✬

I'm concerned about Tom. ✬