Soon I'll meet a native speaker and I'd like to know what expression is correct when I want to introduce an anecdote:
at one occasion
in one occasion
on one occasion
Thank you in advance.
English Language Learners Stack Exchange is a question and answer site for speakers of other languages learning English. It only takes a minute to sign up.Sign up to join this community
According to Oxford Advanced Learners Dictionary:
1 [countable] a particular time when something happens on this/that occasion
I've met him on several occasions.
They have been seen together on two separate occasions.
On one occasion, she called me in the middle of the night.
Oxford Advanced Learner's Dictionary 9th edition © Oxford University Press, 2015