YOU SAID:

I have in the past, on quite a few occasions actually.

INTO JAPANESE

私は実際にかなりの数の場面で、過去であります。

BACK INTO ENGLISH

I was actually on quite a few occasions in the past.

INTO JAPANESE

私は過去にかなりの数の機会に実際にだった。

BACK INTO ENGLISH

I was on quite a few occasions in the past or in fact was.

INTO JAPANESE

私は過去にかなりの数の場面は、または実際にだった。

BACK INTO ENGLISH

Or indeed in the past quite a few scenes that I was.

INTO JAPANESE

または過去に確かに私はかなりの数のシーン。

BACK INTO ENGLISH

Or in the past for sure I do quite a few scenes.

INTO JAPANESE

または、過去に確かに私はかなりの数のシーンを行います。