His mother died when he was 5 years old and only saw his father on few occasions.
Rather disappointingly, it looked very like the city I had seen on other occasions.
I saw the same men over again on several occasions, especially at first.
Several had seen some sort of ghost, on other occasions.
The brothers all claim to see or hear their mother on numerous occasions.
I saw him on several occasions; the last time was early this morning.
Members of the team were individually seen on occasions in the series.
And the two families see each other on social occasions.
I have seen him on other occasions in the course of the day.
He has been seen on multiple occasions, sticking his head out of the water.