How to use "ages" in a sentence

She hadn't seen the inside of a confessional in ages

It could tell her each man's preferred brand of liquor, each wife's favorite flower and perfume, the make of car they drove, the names and ages of their children, the nature of any illnesses or other medical conditions they might have, their favorite foods, their favorite colors, their tastes in music, their political affiliations, and scores of other facts both important and trivial

A year ago, Jaborski's excursion had included fourteen boys between the ages of twelve and eighteen

"For ages."

And although Stryker had done some heavy military service, that had been ages ago