Or at least they used to be, once upon a time.
Surely she would be able to find a moment to use one or the other upon herself.
He, on the other hand, learned that it was not necessary to use his teeth upon them.
"Let him who proves the best man use it upon the other."
Used to be a tidy old farm, once upon a time.
"Only because I've used the same line myself upon occasion, as you may remember, sir."
Sort of like a big hosts file, which is exactly what that was used for once upon a time.
They may be used immediately upon generation of the email to you.
He missed more than two months of the season and was used sparingly upon his return.
The following were used upon the islands achievement of full sovereignty in 1946.