No one who once set foot on that world ever left it again!
Once set up for sleeping, they turned their attention to food.
Once set in motion, she hadn't had to pay attention to them, only herself.
Since that time he had not once set eyes on the Lord of the estate.
The sun broke through the clouds once and then set.
Once set into words, the possibility seemed very clear to us.
This is the sort of thing you set once and forget.
And the process, once set in motion, can't be stopped.
Boundaries are set once every 10 years following the federal census.
This is one reason why the plants, once set in place, seem to last forever.