American English
/wəns/
One syllable.
On one occasion; one time in a stated period.
Practice out loudOn one occasion; one time in a stated period.
I tried sushi once.
She goes swimming once a week.
In English, once means “una vez,” not the number 11. The number 11 is eleven.
once a day · once a week · just once · only once
subject + verb + once
once + a + time period
As soon as something happens or becomes true.
Once you arrive, call me.
We can leave once the rain stops.
Once + subject + verb, subject + verb
subject + verb + once + subject + verb
In the past, but not now.
This was once a busy port.
She was once a professional dancer.
once popular · once famous · once a major city
subject + was/were + once + adjective/noun
another time; again
Please say that once again.
sometimes, but not often
We eat out once in a while.
immediately
Come here at once.