1.   Police say that they are concerned for the safety of the missing girl.

2.   Rescuers are concerned for the safety of two men trapped in the mine.

3.   She was also deeply concerned for the spiritual needs of her relatives and household servants.

4.   We are now concerned for the economic well-being of the country.

5.   He was genuinely concerned for the children.

6.   They are concerned for the fate of the forest and the Indians who dwell in it.

7.   Her family was very concerned for her safety.

8.   But I am concerned for the three trees that David has just mentioned being removed.