I have been cooling my heels here for the past half-hour.
The sun is hot and the events of the past half-hour have given me a great desire to sit down.
There had been argument for the past half-hour, near enough.
The events of the past half-hour were more than he could accept.
Well, that was a start toward salvaging the disaster of the past half-hour.
Her phone has been busy for the past half-hour.
The conservation officer finally put into words his thoughts of the past half-hour.
You'll never know what I've been through for the past half-hour or so!
If the past half-hour had been any omen, he might never care again.
Has a young man come in here within the past half-hour or so, have you noticed?
