YOU SAID:

The problem is that they use a version of english that can't be understood by anybody who actually speaks english.

INTO JAPANESE

問題は実際に英語を話す人には理解できない英語のバージョンを使用していることです

BACK INTO ENGLISH

The problem is that they're actually using a version of English that people who speak English don't understand.

INTO JAPANESE

問題は英語を話す人が理解していない英語のバージョンを実際に使っていることです

BACK INTO ENGLISH

The problem is that people who speak English actually use versions of English that they don't understand.

INTO JAPANESE

問題は、英語を話す人が実際に理解できない英語のバージョンを使用していることです。

BACK INTO ENGLISH

The problem is that people who speak English are actually using a version of English that they don't understand.

INTO JAPANESE

問題は、英語を話す人々が実際に理解できない英語のバージョンを使用していることです。

BACK INTO ENGLISH

The problem is that people who speak English are actually using a version of English that they don't understand.