How to use "worrying" in a sentence

It meant that she earned a regular salary, unlike Cham's parents, who were always worrying about money

She sat on the edge of her bed, worrying

"It's worrying, I agree

Maybe they're worrying about the effect on him already."

For some time I stood there, not worrying about my safety

'If I were you, I would stop worrying because it seems Mercy can take care of herself quite well,' said James.