I went sailing once, but I didn't like it.
I go swimming once a week.
We have lunch together once a month.
Once a year we all meet up.
I can write to him once a week. (Key English Test; A2; Chinese)
This house once belonged to my grandfather.
Computers are much cheaper now than they once were.
I once went to England and I love the style of the clothes and how people dress there! (Preliminary English Test; B1; German)
Once again I'm left with all the dirty dishes!
Once again I'm sorry. (Preliminary English Test; B1; French)
I'd like to visit the gardens once more before we leave.
On Friday I will see him once more. (Preliminary English Test; B1; German)
I knew at once that I'd like it here.
We both were so tired that we went to bed at once. (First Certificate in English; B2; Polish)
Once upon a time there was a beautiful princess.
Once upon a time there was a very poor family. (Preliminary English Test; B1; Swiss German)
They all started talking at once.
It give me a good chance to see most of my favorite groups at once, and it was marvelous. (First Certificate in English; B2; Russian)
The bus came on time for once!
We would take lots of pictures, and play our own instruments, and if we get lucky enough, we would even touch the very stones and for once be embraced by magic itself. (First Certificate in English; B2; Spanish)
We do go to the beach once in a while.
She did not say very much except for "oh" and "yes, yes" every once in a while. (First Certificate in English; B2; Dutch)
All at once he stood up and walked out of the room.
All at once, everything started to work again. (Certificate in Advanced English; C1; Italian)
We have to decide, once and for all, whether we want to ask Dad for money.
With the fall of the socialist block in the late 1980's, the ever-looming nuclear war seemed to have been avoided once and for all. (Certificate of Proficiency in English; C2; German)
Once I find a place to live, I'll send you my address.
Remember that you won't be able to cancel the contract once you sign it.
I'll write back soon once I know exactly when I can visit you. (First Certificate in English; B2; Greek)