YOU SAID:

Good things should never end

INTO JAPANESE

良いものは終わることはありません。

BACK INTO ENGLISH

Good things are never ending.

INTO JAPANESE

良いものは終わることが。

BACK INTO ENGLISH

Can be good things done.

INTO JAPANESE

良いものが行うことができます。

BACK INTO ENGLISH

You can do good things.

INTO JAPANESE

良いものを行うことができます。

BACK INTO ENGLISH

You can do good things.