YOU SAID:

fun is fun if you are having it

INTO JAPANESE

それを有したらが楽しい

BACK INTO ENGLISH

If you have it is fun

INTO JAPANESE

それがあれば楽しいです。

BACK INTO ENGLISH

If it's fun.

INTO JAPANESE

それは楽しいです。

BACK INTO ENGLISH

It's fun.

INTO JAPANESE

それは楽しいです。

BACK INTO ENGLISH

It's fun.