How to use "concerned" in a sentence

This note was a promise that all men, yes, black men as well as white men, would be guaranteed the "Unalienable Rights" of "Life, Liberty and the pursuit of Happiness." It is obvious today that America has defaulted on this promissory note, insofar as her citizens of color are concerned

She starts to feel better: more relaxed and less concerned about the reason why the tube is so quiet today.

Unlike many boys his age, he'd been concerned about orderliness and cleanliness

She had given Danny permission to go on the field trip, and as far as Michael was concerned, that had been equivalent to driving the bus off the cliff

"Who would want to scare you?" He seemed genuinely concerned.

As far as Elliot was concerned, the absence of ID was more sinister than a collection of patently false papers would have been, because this absolute anonymity smacked of a secret police organization.

Most of the questions were concerned with how much Tina knew about the true nature of the Sierra accident, how much she had told Elliot, how much she had told Michael, and with how many people she had discussed it

Although he was struggling to cast off the seizure of claustrophobia that had gripped him, was trying to pretend that the organic-looking ceiling wasn't pressing low over his head and that only open sky hung above him instead of thousands of tons of concrete and steel rock, his own panic attack concerned him less than what was happening beyond the viewport.

And judging from his appearance, she was concerned that any serious emotional disturbance would literally destroy him.

'It is a rather rude question I know, but I am concerned.'

He was obviously concerned about her pale face and sad expression

This explanation seemed satisfactory to me, but Miss Halcombe still looked concerned.

He was so concerned about the registers that he kept copies of them locked up at his home, in case anything happened to the originals